Home / 13,371.20-20,056.75-3,375.97

Finding the Fourth Proportional to 13,371.20, 20,056.75 and 3,375.97

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Solution

The fourth proportional to 13,371.20, 20,056.75 and 3,375.97 is: 5,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.20 : 20,056.75 = 3,375.97 : x
  2. Step 2: Convert to fraction form
    13,371.20/20,056.75 = 3,375.97/x
  3. Step 3: Cross multiply
    13,371.20x = 20,056.75 × 3,375.97
  4. Step 4: Simplify right side
    13,371.20x = 67,710,927.72
  5. Step 5: Solve for x
    x = 67,710,927.72/13,371.20
  6. Step 6: Final answer
    x = 5,063.94

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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.