Home / 38,583.28-57,875.06-13,609.76

Finding the Fourth Proportional to 38,583.28, 57,875.06 and 13,609.76

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Solution

The fourth proportional to 38,583.28, 57,875.06 and 13,609.76 is: 20,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.28 : 57,875.06 = 13,609.76 : x
  2. Step 2: Convert to fraction form
    38,583.28/57,875.06 = 13,609.76/x
  3. Step 3: Cross multiply
    38,583.28x = 57,875.06 × 13,609.76
  4. Step 4: Simplify right side
    38,583.28x = 787,665,676.59
  5. Step 5: Solve for x
    x = 787,665,676.59/38,583.28
  6. Step 6: Final answer
    x = 20,414.69

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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.