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Finding the Fourth Proportional to 18,151.80, 25,050.24 and 10,193.88

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Solution

The fourth proportional to 18,151.80, 25,050.24 and 10,193.88 is: 14,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.80 : 25,050.24 = 10,193.88 : x
  2. Step 2: Convert to fraction form
    18,151.80/25,050.24 = 10,193.88/x
  3. Step 3: Cross multiply
    18,151.80x = 25,050.24 × 10,193.88
  4. Step 4: Simplify right side
    18,151.80x = 255,359,140.53
  5. Step 5: Solve for x
    x = 255,359,140.53/18,151.80
  6. Step 6: Final answer
    x = 14,067.98

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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.