Home / 13,040.25-19,553.90-5,246.97

Finding the Fourth Proportional to 13,040.25, 19,553.90 and 5,246.97

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Solution

The fourth proportional to 13,040.25, 19,553.90 and 5,246.97 is: 7,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.25 : 19,553.90 = 5,246.97 : x
  2. Step 2: Convert to fraction form
    13,040.25/19,553.90 = 5,246.97/x
  3. Step 3: Cross multiply
    13,040.25x = 19,553.90 × 5,246.97
  4. Step 4: Simplify right side
    13,040.25x = 102,598,700.45
  5. Step 5: Solve for x
    x = 102,598,700.45/13,040.25
  6. Step 6: Final answer
    x = 7,867.85

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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.