Home / 13,982.74-20,974.11-5,098.74

Finding the Fourth Proportional to 13,982.74, 20,974.11 and 5,098.74

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Solution

The fourth proportional to 13,982.74, 20,974.11 and 5,098.74 is: 7,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.74 : 20,974.11 = 5,098.74 : x
  2. Step 2: Convert to fraction form
    13,982.74/20,974.11 = 5,098.74/x
  3. Step 3: Cross multiply
    13,982.74x = 20,974.11 × 5,098.74
  4. Step 4: Simplify right side
    13,982.74x = 106,941,508.13
  5. Step 5: Solve for x
    x = 106,941,508.13/13,982.74
  6. Step 6: Final answer
    x = 7,648.11

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1.5x scale

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.