Home / 14,753.28-20,385.42-11,793.54

Finding the Fourth Proportional to 14,753.28, 20,385.42 and 11,793.54

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Solution

The fourth proportional to 14,753.28, 20,385.42 and 11,793.54 is: 16,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.28 : 20,385.42 = 11,793.54 : x
  2. Step 2: Convert to fraction form
    14,753.28/20,385.42 = 11,793.54/x
  3. Step 3: Cross multiply
    14,753.28x = 20,385.42 × 11,793.54
  4. Step 4: Simplify right side
    14,753.28x = 240,416,266.19
  5. Step 5: Solve for x
    x = 240,416,266.19/14,753.28
  6. Step 6: Final answer
    x = 16,295.78

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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.