Home / 25,974.62-38,966.82-8,449.46

Finding the Fourth Proportional to 25,974.62, 38,966.82 and 8,449.46

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Solution

The fourth proportional to 25,974.62, 38,966.82 and 8,449.46 is: 12,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974.62 : 38,966.82 = 8,449.46 : x
  2. Step 2: Convert to fraction form
    25,974.62/38,966.82 = 8,449.46/x
  3. Step 3: Cross multiply
    25,974.62x = 38,966.82 × 8,449.46
  4. Step 4: Simplify right side
    25,974.62x = 329,248,586.92
  5. Step 5: Solve for x
    x = 329,248,586.92/25,974.62
  6. Step 6: Final answer
    x = 12,675.78

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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.