Home / 21,481.35-32,202.57-7,627.11

Finding the Fourth Proportional to 21,481.35, 32,202.57 and 7,627.11

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Solution

The fourth proportional to 21,481.35, 32,202.57 and 7,627.11 is: 11,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.35 : 32,202.57 = 7,627.11 : x
  2. Step 2: Convert to fraction form
    21,481.35/32,202.57 = 7,627.11/x
  3. Step 3: Cross multiply
    21,481.35x = 32,202.57 × 7,627.11
  4. Step 4: Simplify right side
    21,481.35x = 245,612,543.67
  5. Step 5: Solve for x
    x = 245,612,543.67/21,481.35
  6. Step 6: Final answer
    x = 11,433.76

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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.