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Finding the Fourth Proportional to 18,562.57, 25,591.56 and 14,746.87

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Solution

The fourth proportional to 18,562.57, 25,591.56 and 14,746.87 is: 20,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.57 : 25,591.56 = 14,746.87 : x
  2. Step 2: Convert to fraction form
    18,562.57/25,591.56 = 14,746.87/x
  3. Step 3: Cross multiply
    18,562.57x = 25,591.56 × 14,746.87
  4. Step 4: Simplify right side
    18,562.57x = 377,395,280.46
  5. Step 5: Solve for x
    x = 377,395,280.46/18,562.57
  6. Step 6: Final answer
    x = 20,330.99

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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.