Home / 20,593.24-28,418.92-11,640.71

Finding the Fourth Proportional to 20,593.24, 28,418.92 and 11,640.71

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Solution

The fourth proportional to 20,593.24, 28,418.92 and 11,640.71 is: 16,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.24 : 28,418.92 = 11,640.71 : x
  2. Step 2: Convert to fraction form
    20,593.24/28,418.92 = 11,640.71/x
  3. Step 3: Cross multiply
    20,593.24x = 28,418.92 × 11,640.71
  4. Step 4: Simplify right side
    20,593.24x = 330,816,448.18
  5. Step 5: Solve for x
    x = 330,816,448.18/20,593.24
  6. Step 6: Final answer
    x = 16,064.32

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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.