Home / 13,132.13-19,698.19-3,898.13

Finding the Fourth Proportional to 13,132.13, 19,698.19 and 3,898.13

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Solution

The fourth proportional to 13,132.13, 19,698.19 and 3,898.13 is: 5,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.13 : 19,698.19 = 3,898.13 : x
  2. Step 2: Convert to fraction form
    13,132.13/19,698.19 = 3,898.13/x
  3. Step 3: Cross multiply
    13,132.13x = 19,698.19 × 3,898.13
  4. Step 4: Simplify right side
    13,132.13x = 76,785,997.15
  5. Step 5: Solve for x
    x = 76,785,997.15/13,132.13
  6. Step 6: Final answer
    x = 5,847.19

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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.