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Finding the Fourth Proportional to 18,414.96, 25,411.77 and 10,456.14

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Solution

The fourth proportional to 18,414.96, 25,411.77 and 10,456.14 is: 14,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.96 : 25,411.77 = 10,456.14 : x
  2. Step 2: Convert to fraction form
    18,414.96/25,411.77 = 10,456.14/x
  3. Step 3: Cross multiply
    18,414.96x = 25,411.77 × 10,456.14
  4. Step 4: Simplify right side
    18,414.96x = 265,709,024.77
  5. Step 5: Solve for x
    x = 265,709,024.77/18,414.96
  6. Step 6: Final answer
    x = 14,428.98

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