Home / 16,129.26-24,200.82-8,739

Finding the Fourth Proportional to 16,129.26, 24,200.82 and 8,739

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Solution

The fourth proportional to 16,129.26, 24,200.82 and 8,739 is: 13,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.26 : 24,200.82 = 8,739 : x
  2. Step 2: Convert to fraction form
    16,129.26/24,200.82 = 8,739/x
  3. Step 3: Cross multiply
    16,129.26x = 24,200.82 × 8,739
  4. Step 4: Simplify right side
    16,129.26x = 211,490,965.98
  5. Step 5: Solve for x
    x = 211,490,965.98/16,129.26
  6. Step 6: Final answer
    x = 13,112.25

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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.