Home / 18,251.01-27,375.44-5,103.09

Finding the Fourth Proportional to 18,251.01, 27,375.44 and 5,103.09

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Solution

The fourth proportional to 18,251.01, 27,375.44 and 5,103.09 is: 7,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.01 : 27,375.44 = 5,103.09 : x
  2. Step 2: Convert to fraction form
    18,251.01/27,375.44 = 5,103.09/x
  3. Step 3: Cross multiply
    18,251.01x = 27,375.44 × 5,103.09
  4. Step 4: Simplify right side
    18,251.01x = 139,699,308.59
  5. Step 5: Solve for x
    x = 139,699,308.59/18,251.01
  6. Step 6: Final answer
    x = 7,654.33

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1.5x scale

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.