Home / 13,481.24-20,209.54-11,414.56

Finding the Fourth Proportional to 13,481.24, 20,209.54 and 11,414.56

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Solution

The fourth proportional to 13,481.24, 20,209.54 and 11,414.56 is: 17,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.24 : 20,209.54 = 11,414.56 : x
  2. Step 2: Convert to fraction form
    13,481.24/20,209.54 = 11,414.56/x
  3. Step 3: Cross multiply
    13,481.24x = 20,209.54 × 11,414.56
  4. Step 4: Simplify right side
    13,481.24x = 230,683,006.90
  5. Step 5: Solve for x
    x = 230,683,006.90/13,481.24
  6. Step 6: Final answer
    x = 17,111.41

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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.