Home / 19,998.38-27,600.20-11,614.88

Finding the Fourth Proportional to 19,998.38, 27,600.20 and 11,614.88

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Solution

The fourth proportional to 19,998.38, 27,600.20 and 11,614.88 is: 16,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.38 : 27,600.20 = 11,614.88 : x
  2. Step 2: Convert to fraction form
    19,998.38/27,600.20 = 11,614.88/x
  3. Step 3: Cross multiply
    19,998.38x = 27,600.20 × 11,614.88
  4. Step 4: Simplify right side
    19,998.38x = 320,572,814.90
  5. Step 5: Solve for x
    x = 320,572,814.90/19,998.38
  6. Step 6: Final answer
    x = 16,029.94

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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.