Home / 20,191.43-30,287.18-9,658.97

Finding the Fourth Proportional to 20,191.43, 30,287.18 and 9,658.97

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Solution

The fourth proportional to 20,191.43, 30,287.18 and 9,658.97 is: 14,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.43 : 30,287.18 = 9,658.97 : x
  2. Step 2: Convert to fraction form
    20,191.43/30,287.18 = 9,658.97/x
  3. Step 3: Cross multiply
    20,191.43x = 30,287.18 × 9,658.97
  4. Step 4: Simplify right side
    20,191.43x = 292,542,963.00
  5. Step 5: Solve for x
    x = 292,542,963.00/20,191.43
  6. Step 6: Final answer
    x = 14,488.47

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Double scale
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Similar ratio
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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.