Home / 13,912.61-20,874.60-5,029.16

Finding the Fourth Proportional to 13,912.61, 20,874.60 and 5,029.16

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Solution

The fourth proportional to 13,912.61, 20,874.60 and 5,029.16 is: 7,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.61 : 20,874.60 = 5,029.16 : x
  2. Step 2: Convert to fraction form
    13,912.61/20,874.60 = 5,029.16/x
  3. Step 3: Cross multiply
    13,912.61x = 20,874.60 × 5,029.16
  4. Step 4: Simplify right side
    13,912.61x = 104,981,598.96
  5. Step 5: Solve for x
    x = 104,981,598.96/13,912.61
  6. Step 6: Final answer
    x = 7,545.79

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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.