Home / 25,836.92-38,755.21-8,306.79

Finding the Fourth Proportional to 25,836.92, 38,755.21 and 8,306.79

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Solution

The fourth proportional to 25,836.92, 38,755.21 and 8,306.79 is: 12,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,836.92 : 38,755.21 = 8,306.79 : x
  2. Step 2: Convert to fraction form
    25,836.92/38,755.21 = 8,306.79/x
  3. Step 3: Cross multiply
    25,836.92x = 38,755.21 × 8,306.79
  4. Step 4: Simplify right side
    25,836.92x = 321,931,390.88
  5. Step 5: Solve for x
    x = 321,931,390.88/25,836.92
  6. Step 6: Final answer
    x = 12,460.13

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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.