Home / 18,481.03-27,720.93-5,334.73

Finding the Fourth Proportional to 18,481.03, 27,720.93 and 5,334.73

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Solution

The fourth proportional to 18,481.03, 27,720.93 and 5,334.73 is: 8,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.03 : 27,720.93 = 5,334.73 : x
  2. Step 2: Convert to fraction form
    18,481.03/27,720.93 = 5,334.73/x
  3. Step 3: Cross multiply
    18,481.03x = 27,720.93 × 5,334.73
  4. Step 4: Simplify right side
    18,481.03x = 147,883,627.60
  5. Step 5: Solve for x
    x = 147,883,627.60/18,481.03
  6. Step 6: Final answer
    x = 8,001.92

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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.