Home / 18,080.82-24,947.19-10,121.76

Finding the Fourth Proportional to 18,080.82, 24,947.19 and 10,121.76

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Solution

The fourth proportional to 18,080.82, 24,947.19 and 10,121.76 is: 13,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.82 : 24,947.19 = 10,121.76 : x
  2. Step 2: Convert to fraction form
    18,080.82/24,947.19 = 10,121.76/x
  3. Step 3: Cross multiply
    18,080.82x = 24,947.19 × 10,121.76
  4. Step 4: Simplify right side
    18,080.82x = 252,509,469.85
  5. Step 5: Solve for x
    x = 252,509,469.85/18,080.82
  6. Step 6: Final answer
    x = 13,965.60

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Double scale
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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.