Home / 18,192-25,105.23-11,116.92

Finding the Fourth Proportional to 18,192, 25,105.23 and 11,116.92

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Solution

The fourth proportional to 18,192, 25,105.23 and 11,116.92 is: 15,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192 : 25,105.23 = 11,116.92 : x
  2. Step 2: Convert to fraction form
    18,192/25,105.23 = 11,116.92/x
  3. Step 3: Cross multiply
    18,192x = 25,105.23 × 11,116.92
  4. Step 4: Simplify right side
    18,192x = 279,092,833.49
  5. Step 5: Solve for x
    x = 279,092,833.49/18,192
  6. Step 6: Final answer
    x = 15,341.51

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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.