Home / 18,553.82-25,599.68-11,001.92

Finding the Fourth Proportional to 18,553.82, 25,599.68 and 11,001.92

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Solution

The fourth proportional to 18,553.82, 25,599.68 and 11,001.92 is: 15,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.82 : 25,599.68 = 11,001.92 : x
  2. Step 2: Convert to fraction form
    18,553.82/25,599.68 = 11,001.92/x
  3. Step 3: Cross multiply
    18,553.82x = 25,599.68 × 11,001.92
  4. Step 4: Simplify right side
    18,553.82x = 281,645,631.39
  5. Step 5: Solve for x
    x = 281,645,631.39/18,553.82
  6. Step 6: Final answer
    x = 15,179.93

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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.