Home / 13,101.38-19,652.09-3,240.52

Finding the Fourth Proportional to 13,101.38, 19,652.09 and 3,240.52

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Solution

The fourth proportional to 13,101.38, 19,652.09 and 3,240.52 is: 4,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.38 : 19,652.09 = 3,240.52 : x
  2. Step 2: Convert to fraction form
    13,101.38/19,652.09 = 3,240.52/x
  3. Step 3: Cross multiply
    13,101.38x = 19,652.09 × 3,240.52
  4. Step 4: Simplify right side
    13,101.38x = 63,682,876.22
  5. Step 5: Solve for x
    x = 63,682,876.22/13,101.38
  6. Step 6: Final answer
    x = 4,860.78

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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.