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Finding the Fourth Proportional to 18,757.54, 25,884.39 and 10,373.50

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Solution

The fourth proportional to 18,757.54, 25,884.39 and 10,373.50 is: 14,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.54 : 25,884.39 = 10,373.50 : x
  2. Step 2: Convert to fraction form
    18,757.54/25,884.39 = 10,373.50/x
  3. Step 3: Cross multiply
    18,757.54x = 25,884.39 × 10,373.50
  4. Step 4: Simplify right side
    18,757.54x = 268,511,719.67
  5. Step 5: Solve for x
    x = 268,511,719.67/18,757.54
  6. Step 6: Final answer
    x = 14,314.87

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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.