Home / 18,418.82-27,595.19-11,192.83

Finding the Fourth Proportional to 18,418.82, 27,595.19 and 11,192.83

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Solution

The fourth proportional to 18,418.82, 27,595.19 and 11,192.83 is: 16,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.82 : 27,595.19 = 11,192.83 : x
  2. Step 2: Convert to fraction form
    18,418.82/27,595.19 = 11,192.83/x
  3. Step 3: Cross multiply
    18,418.82x = 27,595.19 × 11,192.83
  4. Step 4: Simplify right side
    18,418.82x = 308,868,229.48
  5. Step 5: Solve for x
    x = 308,868,229.48/18,418.82
  6. Step 6: Final answer
    x = 16,769.17

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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.