Home / 20,072.44-30,092.28-11,731.96

Finding the Fourth Proportional to 20,072.44, 30,092.28 and 11,731.96

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Solution

The fourth proportional to 20,072.44, 30,092.28 and 11,731.96 is: 17,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.44 : 30,092.28 = 11,731.96 : x
  2. Step 2: Convert to fraction form
    20,072.44/30,092.28 = 11,731.96/x
  3. Step 3: Cross multiply
    20,072.44x = 30,092.28 × 11,731.96
  4. Step 4: Simplify right side
    20,072.44x = 353,041,425.27
  5. Step 5: Solve for x
    x = 353,041,425.27/20,072.44
  6. Step 6: Final answer
    x = 17,588.37

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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.