Home / 20,031.19-30,020.49-14,741.43

Finding the Fourth Proportional to 20,031.19, 30,020.49 and 14,741.43

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Solution

The fourth proportional to 20,031.19, 30,020.49 and 14,741.43 is: 22,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.19 : 30,020.49 = 14,741.43 : x
  2. Step 2: Convert to fraction form
    20,031.19/30,020.49 = 14,741.43/x
  3. Step 3: Cross multiply
    20,031.19x = 30,020.49 × 14,741.43
  4. Step 4: Simplify right side
    20,031.19x = 442,544,951.90
  5. Step 5: Solve for x
    x = 442,544,951.90/20,031.19
  6. Step 6: Final answer
    x = 22,092.79

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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.