Home / 15,517.72-23,171.17-15,097.34

Finding the Fourth Proportional to 15,517.72, 23,171.17 and 15,097.34

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Solution

The fourth proportional to 15,517.72, 23,171.17 and 15,097.34 is: 22,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.72 : 23,171.17 = 15,097.34 : x
  2. Step 2: Convert to fraction form
    15,517.72/23,171.17 = 15,097.34/x
  3. Step 3: Cross multiply
    15,517.72x = 23,171.17 × 15,097.34
  4. Step 4: Simplify right side
    15,517.72x = 349,822,956.20
  5. Step 5: Solve for x
    x = 349,822,956.20/15,517.72
  6. Step 6: Final answer
    x = 22,543.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.