Home / 38,337.28-57,514.56-11,685.68

Finding the Fourth Proportional to 38,337.28, 57,514.56 and 11,685.68

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Solution

The fourth proportional to 38,337.28, 57,514.56 and 11,685.68 is: 17,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,337.28 : 57,514.56 = 11,685.68 : x
  2. Step 2: Convert to fraction form
    38,337.28/57,514.56 = 11,685.68/x
  3. Step 3: Cross multiply
    38,337.28x = 57,514.56 × 11,685.68
  4. Step 4: Simplify right side
    38,337.28x = 672,096,743.50
  5. Step 5: Solve for x
    x = 672,096,743.50/38,337.28
  6. Step 6: Final answer
    x = 17,531.15

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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.