Home / 18,240.97-25,168.98-11,162.38

Finding the Fourth Proportional to 18,240.97, 25,168.98 and 11,162.38

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Solution

The fourth proportional to 18,240.97, 25,168.98 and 11,162.38 is: 15,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.97 : 25,168.98 = 11,162.38 : x
  2. Step 2: Convert to fraction form
    18,240.97/25,168.98 = 11,162.38/x
  3. Step 3: Cross multiply
    18,240.97x = 25,168.98 × 11,162.38
  4. Step 4: Simplify right side
    18,240.97x = 280,945,718.97
  5. Step 5: Solve for x
    x = 280,945,718.97/18,240.97
  6. Step 6: Final answer
    x = 15,401.91

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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.