Home / 20,575.17-30,865.49-9,484.38

Finding the Fourth Proportional to 20,575.17, 30,865.49 and 9,484.38

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Solution

The fourth proportional to 20,575.17, 30,865.49 and 9,484.38 is: 14,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.17 : 30,865.49 = 9,484.38 : x
  2. Step 2: Convert to fraction form
    20,575.17/30,865.49 = 9,484.38/x
  3. Step 3: Cross multiply
    20,575.17x = 30,865.49 × 9,484.38
  4. Step 4: Simplify right side
    20,575.17x = 292,739,988.62
  5. Step 5: Solve for x
    x = 292,739,988.62/20,575.17
  6. Step 6: Final answer
    x = 14,227.83

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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.