Home / 18,776.62-25,910.97-11,227.15

Finding the Fourth Proportional to 18,776.62, 25,910.97 and 11,227.15

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Solution

The fourth proportional to 18,776.62, 25,910.97 and 11,227.15 is: 15,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.62 : 25,910.97 = 11,227.15 : x
  2. Step 2: Convert to fraction form
    18,776.62/25,910.97 = 11,227.15/x
  3. Step 3: Cross multiply
    18,776.62x = 25,910.97 × 11,227.15
  4. Step 4: Simplify right side
    18,776.62x = 290,906,346.84
  5. Step 5: Solve for x
    x = 290,906,346.84/18,776.62
  6. Step 6: Final answer
    x = 15,493.01

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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.