What are the four numbers?

The totals of four numbers, omitting each of the numbers in turn, are 27, 23, 21 and 19. What are the four numbers?

Scroll down to see the answer!

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Answer:

3, 7, 9, and 11
7 + 9 + 11 = 27
3 + 9 + 11 = 23
3 + 7 + 11 = 21
3 + 7 + 9 = 19