Home / 13,761.74-20,649.90-5,976.02

Finding the Fourth Proportional to 13,761.74, 20,649.90 and 5,976.02

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Solution

The fourth proportional to 13,761.74, 20,649.90 and 5,976.02 is: 8,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.74 : 20,649.90 = 5,976.02 : x
  2. Step 2: Convert to fraction form
    13,761.74/20,649.90 = 5,976.02/x
  3. Step 3: Cross multiply
    13,761.74x = 20,649.90 × 5,976.02
  4. Step 4: Simplify right side
    13,761.74x = 123,404,215.40
  5. Step 5: Solve for x
    x = 123,404,215.40/13,761.74
  6. Step 6: Final answer
    x = 8,967.20

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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.