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Finding the Fourth Proportional to 18,110.76, 24,991.50 and 10,151.96

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Solution

The fourth proportional to 18,110.76, 24,991.50 and 10,151.96 is: 14,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.76 : 24,991.50 = 10,151.96 : x
  2. Step 2: Convert to fraction form
    18,110.76/24,991.50 = 10,151.96/x
  3. Step 3: Cross multiply
    18,110.76x = 24,991.50 × 10,151.96
  4. Step 4: Simplify right side
    18,110.76x = 253,712,708.34
  5. Step 5: Solve for x
    x = 253,712,708.34/18,110.76
  6. Step 6: Final answer
    x = 14,008.95

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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.