Home / 25,718.87-38,592.87-10,147.43

Finding the Fourth Proportional to 25,718.87, 38,592.87 and 10,147.43

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Solution

The fourth proportional to 25,718.87, 38,592.87 and 10,147.43 is: 15,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.87 : 38,592.87 = 10,147.43 : x
  2. Step 2: Convert to fraction form
    25,718.87/38,592.87 = 10,147.43/x
  3. Step 3: Cross multiply
    25,718.87x = 38,592.87 × 10,147.43
  4. Step 4: Simplify right side
    25,718.87x = 391,618,446.82
  5. Step 5: Solve for x
    x = 391,618,446.82/25,718.87
  6. Step 6: Final answer
    x = 15,226.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.