Home / 19,958.38-27,543.30-11,006.53

Finding the Fourth Proportional to 19,958.38, 27,543.30 and 11,006.53

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Solution

The fourth proportional to 19,958.38, 27,543.30 and 11,006.53 is: 15,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.38 : 27,543.30 = 11,006.53 : x
  2. Step 2: Convert to fraction form
    19,958.38/27,543.30 = 11,006.53/x
  3. Step 3: Cross multiply
    19,958.38x = 27,543.30 × 11,006.53
  4. Step 4: Simplify right side
    19,958.38x = 303,156,157.75
  5. Step 5: Solve for x
    x = 303,156,157.75/19,958.38
  6. Step 6: Final answer
    x = 15,189.42

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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.