Home / 18,747.25-25,871.24-10,363.75

Finding the Fourth Proportional to 18,747.25, 25,871.24 and 10,363.75

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Solution

The fourth proportional to 18,747.25, 25,871.24 and 10,363.75 is: 14,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.25 : 25,871.24 = 10,363.75 : x
  2. Step 2: Convert to fraction form
    18,747.25/25,871.24 = 10,363.75/x
  3. Step 3: Cross multiply
    18,747.25x = 25,871.24 × 10,363.75
  4. Step 4: Simplify right side
    18,747.25x = 268,123,063.55
  5. Step 5: Solve for x
    x = 268,123,063.55/18,747.25
  6. Step 6: Final answer
    x = 14,301.99

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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.