Home / 20,114.43-27,759.17-11,618.11

Finding the Fourth Proportional to 20,114.43, 27,759.17 and 11,618.11

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Solution

The fourth proportional to 20,114.43, 27,759.17 and 11,618.11 is: 16,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.43 : 27,759.17 = 11,618.11 : x
  2. Step 2: Convert to fraction form
    20,114.43/27,759.17 = 11,618.11/x
  3. Step 3: Cross multiply
    20,114.43x = 27,759.17 × 11,618.11
  4. Step 4: Simplify right side
    20,114.43x = 322,508,893.68
  5. Step 5: Solve for x
    x = 322,508,893.68/20,114.43
  6. Step 6: Final answer
    x = 16,033.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.