Home / 25,836.94-38,761.56-8,306.76

Finding the Fourth Proportional to 25,836.94, 38,761.56 and 8,306.76

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Solution

The fourth proportional to 25,836.94, 38,761.56 and 8,306.76 is: 12,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,836.94 : 38,761.56 = 8,306.76 : x
  2. Step 2: Convert to fraction form
    25,836.94/38,761.56 = 8,306.76/x
  3. Step 3: Cross multiply
    25,836.94x = 38,761.56 × 8,306.76
  4. Step 4: Simplify right side
    25,836.94x = 321,982,976.15
  5. Step 5: Solve for x
    x = 321,982,976.15/25,836.94
  6. Step 6: Final answer
    x = 12,462.12

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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.