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Finding the Fourth Proportional to 18,061.80, 24,923.28 and 10,103.82

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Solution

The fourth proportional to 18,061.80, 24,923.28 and 10,103.82 is: 13,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.80 : 24,923.28 = 10,103.82 : x
  2. Step 2: Convert to fraction form
    18,061.80/24,923.28 = 10,103.82/x
  3. Step 3: Cross multiply
    18,061.80x = 24,923.28 × 10,103.82
  4. Step 4: Simplify right side
    18,061.80x = 251,820,334.93
  5. Step 5: Solve for x
    x = 251,820,334.93/18,061.80
  6. Step 6: Final answer
    x = 13,942.15

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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.