Home / 13,173.26-19,761.19-5,679.32

Finding the Fourth Proportional to 13,173.26, 19,761.19 and 5,679.32

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Solution

The fourth proportional to 13,173.26, 19,761.19 and 5,679.32 is: 8,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.26 : 19,761.19 = 5,679.32 : x
  2. Step 2: Convert to fraction form
    13,173.26/19,761.19 = 5,679.32/x
  3. Step 3: Cross multiply
    13,173.26x = 19,761.19 × 5,679.32
  4. Step 4: Simplify right side
    13,173.26x = 112,230,008.59
  5. Step 5: Solve for x
    x = 112,230,008.59/13,173.26
  6. Step 6: Final answer
    x = 8,519.54

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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.