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Finding the Fourth Proportional to 18,397.48, 25,414.14 and 17,714.74

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Solution

The fourth proportional to 18,397.48, 25,414.14 and 17,714.74 is: 24,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.48 : 25,414.14 = 17,714.74 : x
  2. Step 2: Convert to fraction form
    18,397.48/25,414.14 = 17,714.74/x
  3. Step 3: Cross multiply
    18,397.48x = 25,414.14 × 17,714.74
  4. Step 4: Simplify right side
    18,397.48x = 450,204,882.42
  5. Step 5: Solve for x
    x = 450,204,882.42/18,397.48
  6. Step 6: Final answer
    x = 24,471.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.