Home / 14,515.52-20,034.20-8,227.92

Finding the Fourth Proportional to 14,515.52, 20,034.20 and 8,227.92

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Solution

The fourth proportional to 14,515.52, 20,034.20 and 8,227.92 is: 11,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.52 : 20,034.20 = 8,227.92 : x
  2. Step 2: Convert to fraction form
    14,515.52/20,034.20 = 8,227.92/x
  3. Step 3: Cross multiply
    14,515.52x = 20,034.20 × 8,227.92
  4. Step 4: Simplify right side
    14,515.52x = 164,839,794.86
  5. Step 5: Solve for x
    x = 164,839,794.86/14,515.52
  6. Step 6: Final answer
    x = 11,356.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.