Home / 13,371.89-20,051.62-5,976.38

Finding the Fourth Proportional to 13,371.89, 20,051.62 and 5,976.38

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Solution

The fourth proportional to 13,371.89, 20,051.62 and 5,976.38 is: 8,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.89 : 20,051.62 = 5,976.38 : x
  2. Step 2: Convert to fraction form
    13,371.89/20,051.62 = 5,976.38/x
  3. Step 3: Cross multiply
    13,371.89x = 20,051.62 × 5,976.38
  4. Step 4: Simplify right side
    13,371.89x = 119,836,135.92
  5. Step 5: Solve for x
    x = 119,836,135.92/13,371.89
  6. Step 6: Final answer
    x = 8,961.80

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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.