Home / 33,321.76-49,982.66-13,609.60

Finding the Fourth Proportional to 33,321.76, 49,982.66 and 13,609.60

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Solution

The fourth proportional to 33,321.76, 49,982.66 and 13,609.60 is: 20,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.76 : 49,982.66 = 13,609.60 : x
  2. Step 2: Convert to fraction form
    33,321.76/49,982.66 = 13,609.60/x
  3. Step 3: Cross multiply
    33,321.76x = 49,982.66 × 13,609.60
  4. Step 4: Simplify right side
    33,321.76x = 680,244,009.54
  5. Step 5: Solve for x
    x = 680,244,009.54/33,321.76
  6. Step 6: Final answer
    x = 20,414.41

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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.