Home / 18,049.38-27,071.28-6,961.26

Finding the Fourth Proportional to 18,049.38, 27,071.28 and 6,961.26

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Solution

The fourth proportional to 18,049.38, 27,071.28 and 6,961.26 is: 10,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.38 : 27,071.28 = 6,961.26 : x
  2. Step 2: Convert to fraction form
    18,049.38/27,071.28 = 6,961.26/x
  3. Step 3: Cross multiply
    18,049.38x = 27,071.28 × 6,961.26
  4. Step 4: Simplify right side
    18,049.38x = 188,450,218.61
  5. Step 5: Solve for x
    x = 188,450,218.61/18,049.38
  6. Step 6: Final answer
    x = 10,440.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.