Home / 15,103.29-22,654.89-5,242.53

Finding the Fourth Proportional to 15,103.29, 22,654.89 and 5,242.53

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Solution

The fourth proportional to 15,103.29, 22,654.89 and 5,242.53 is: 7,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.29 : 22,654.89 = 5,242.53 : x
  2. Step 2: Convert to fraction form
    15,103.29/22,654.89 = 5,242.53/x
  3. Step 3: Cross multiply
    15,103.29x = 22,654.89 × 5,242.53
  4. Step 4: Simplify right side
    15,103.29x = 118,768,940.47
  5. Step 5: Solve for x
    x = 118,768,940.47/15,103.29
  6. Step 6: Final answer
    x = 7,863.78

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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.