Home / 17,949.10-24,770.44-9,992.20

Finding the Fourth Proportional to 17,949.10, 24,770.44 and 9,992.20

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Solution

The fourth proportional to 17,949.10, 24,770.44 and 9,992.20 is: 13,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,949.10 : 24,770.44 = 9,992.20 : x
  2. Step 2: Convert to fraction form
    17,949.10/24,770.44 = 9,992.20/x
  3. Step 3: Cross multiply
    17,949.10x = 24,770.44 × 9,992.20
  4. Step 4: Simplify right side
    17,949.10x = 247,511,190.57
  5. Step 5: Solve for x
    x = 247,511,190.57/17,949.10
  6. Step 6: Final answer
    x = 13,789.62

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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.