Home / 15,031.61-22,546.76-3,938.04

Finding the Fourth Proportional to 15,031.61, 22,546.76 and 3,938.04

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Solution

The fourth proportional to 15,031.61, 22,546.76 and 3,938.04 is: 5,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.61 : 22,546.76 = 3,938.04 : x
  2. Step 2: Convert to fraction form
    15,031.61/22,546.76 = 3,938.04/x
  3. Step 3: Cross multiply
    15,031.61x = 22,546.76 × 3,938.04
  4. Step 4: Simplify right side
    15,031.61x = 88,790,023.06
  5. Step 5: Solve for x
    x = 88,790,023.06/15,031.61
  6. Step 6: Final answer
    x = 5,906.89

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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.