Home / 13,458.34-20,192.10-4,098.52

Finding the Fourth Proportional to 13,458.34, 20,192.10 and 4,098.52

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Solution

The fourth proportional to 13,458.34, 20,192.10 and 4,098.52 is: 6,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.34 : 20,192.10 = 4,098.52 : x
  2. Step 2: Convert to fraction form
    13,458.34/20,192.10 = 4,098.52/x
  3. Step 3: Cross multiply
    13,458.34x = 20,192.10 × 4,098.52
  4. Step 4: Simplify right side
    13,458.34x = 82,757,725.69
  5. Step 5: Solve for x
    x = 82,757,725.69/13,458.34
  6. Step 6: Final answer
    x = 6,149.18

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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.