Home / 18,250.58-27,375.91-5,103.07

Finding the Fourth Proportional to 18,250.58, 27,375.91 and 5,103.07

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Solution

The fourth proportional to 18,250.58, 27,375.91 and 5,103.07 is: 7,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.58 : 27,375.91 = 5,103.07 : x
  2. Step 2: Convert to fraction form
    18,250.58/27,375.91 = 5,103.07/x
  3. Step 3: Cross multiply
    18,250.58x = 27,375.91 × 5,103.07
  4. Step 4: Simplify right side
    18,250.58x = 139,701,103.85
  5. Step 5: Solve for x
    x = 139,701,103.85/18,250.58
  6. Step 6: Final answer
    x = 7,654.61

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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.