Home / 43,456.44-65,194.83-13,469.11

Finding the Fourth Proportional to 43,456.44, 65,194.83 and 13,469.11

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Solution

The fourth proportional to 43,456.44, 65,194.83 and 13,469.11 is: 20,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456.44 : 65,194.83 = 13,469.11 : x
  2. Step 2: Convert to fraction form
    43,456.44/65,194.83 = 13,469.11/x
  3. Step 3: Cross multiply
    43,456.44x = 65,194.83 × 13,469.11
  4. Step 4: Simplify right side
    43,456.44x = 878,116,366.55
  5. Step 5: Solve for x
    x = 878,116,366.55/43,456.44
  6. Step 6: Final answer
    x = 20,206.82

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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.