Home / 14,753.53-20,385.77-11,793.79

Finding the Fourth Proportional to 14,753.53, 20,385.77 and 11,793.79

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Solution

The fourth proportional to 14,753.53, 20,385.77 and 11,793.79 is: 16,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.53 : 20,385.77 = 11,793.79 : x
  2. Step 2: Convert to fraction form
    14,753.53/20,385.77 = 11,793.79/x
  3. Step 3: Cross multiply
    14,753.53x = 20,385.77 × 11,793.79
  4. Step 4: Simplify right side
    14,753.53x = 240,425,329.47
  5. Step 5: Solve for x
    x = 240,425,329.47/14,753.53
  6. Step 6: Final answer
    x = 16,296.13

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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.