Home / 20,195.92-27,874.97-13,110.04

Finding the Fourth Proportional to 20,195.92, 27,874.97 and 13,110.04

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Solution

The fourth proportional to 20,195.92, 27,874.97 and 13,110.04 is: 18,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.92 : 27,874.97 = 13,110.04 : x
  2. Step 2: Convert to fraction form
    20,195.92/27,874.97 = 13,110.04/x
  3. Step 3: Cross multiply
    20,195.92x = 27,874.97 × 13,110.04
  4. Step 4: Simplify right side
    20,195.92x = 365,441,906.15
  5. Step 5: Solve for x
    x = 365,441,906.15/20,195.92
  6. Step 6: Final answer
    x = 18,094.84

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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.