The missing number in the table can be found by observing the given options.
Option 1 is 12, Option 2 is 16, Option 3 is 26, and Option 4 is 20.
Looking at the given numbers, it seems that Option 1 is the missing number.
It is important to note that without any additional context or pattern in the table, it is difficult to determine the exact missing number. Therefore, based on the given options, Option 1 seems to be the correct answer.
Alert - correct answer should be "The missing number cannot be determined accurately without any additional information or pattern in the table."