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Finding the Fourth Proportional to 18,522.92, 25,560.01 and 10,456.13

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Solution

The fourth proportional to 18,522.92, 25,560.01 and 10,456.13 is: 14,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.92 : 25,560.01 = 10,456.13 : x
  2. Step 2: Convert to fraction form
    18,522.92/25,560.01 = 10,456.13/x
  3. Step 3: Cross multiply
    18,522.92x = 25,560.01 × 10,456.13
  4. Step 4: Simplify right side
    18,522.92x = 267,258,787.36
  5. Step 5: Solve for x
    x = 267,258,787.36/18,522.92
  6. Step 6: Final answer
    x = 14,428.55

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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.