Home / 26,772.77-40,159.15-11,190.39

Finding the Fourth Proportional to 26,772.77, 40,159.15 and 11,190.39

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Solution

The fourth proportional to 26,772.77, 40,159.15 and 11,190.39 is: 16,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,772.77 : 40,159.15 = 11,190.39 : x
  2. Step 2: Convert to fraction form
    26,772.77/40,159.15 = 11,190.39/x
  3. Step 3: Cross multiply
    26,772.77x = 40,159.15 × 11,190.39
  4. Step 4: Simplify right side
    26,772.77x = 449,396,550.57
  5. Step 5: Solve for x
    x = 449,396,550.57/26,772.77
  6. Step 6: Final answer
    x = 16,785.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.