Home / 25,729.12-38,593.26-8,198.71

Finding the Fourth Proportional to 25,729.12, 38,593.26 and 8,198.71

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Solution

The fourth proportional to 25,729.12, 38,593.26 and 8,198.71 is: 12,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.12 : 38,593.26 = 8,198.71 : x
  2. Step 2: Convert to fraction form
    25,729.12/38,593.26 = 8,198.71/x
  3. Step 3: Cross multiply
    25,729.12x = 38,593.26 × 8,198.71
  4. Step 4: Simplify right side
    25,729.12x = 316,414,946.69
  5. Step 5: Solve for x
    x = 316,414,946.69/25,729.12
  6. Step 6: Final answer
    x = 12,297.93

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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.