Home / 17,940.18-24,755.22-9,981.84

Finding the Fourth Proportional to 17,940.18, 24,755.22 and 9,981.84

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Solution

The fourth proportional to 17,940.18, 24,755.22 and 9,981.84 is: 13,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.18 : 24,755.22 = 9,981.84 : x
  2. Step 2: Convert to fraction form
    17,940.18/24,755.22 = 9,981.84/x
  3. Step 3: Cross multiply
    17,940.18x = 24,755.22 × 9,981.84
  4. Step 4: Simplify right side
    17,940.18x = 247,102,645.20
  5. Step 5: Solve for x
    x = 247,102,645.20/17,940.18
  6. Step 6: Final answer
    x = 13,773.70

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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.