Home / 18,250.14-27,375.30-5,103.66

Finding the Fourth Proportional to 18,250.14, 27,375.30 and 5,103.66

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Solution

The fourth proportional to 18,250.14, 27,375.30 and 5,103.66 is: 7,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.14 : 27,375.30 = 5,103.66 : x
  2. Step 2: Convert to fraction form
    18,250.14/27,375.30 = 5,103.66/x
  3. Step 3: Cross multiply
    18,250.14x = 27,375.30 × 5,103.66
  4. Step 4: Simplify right side
    18,250.14x = 139,714,223.60
  5. Step 5: Solve for x
    x = 139,714,223.60/18,250.14
  6. Step 6: Final answer
    x = 7,655.52

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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.