Home / 21,648.03-32,476.22-8,320.02

Finding the Fourth Proportional to 21,648.03, 32,476.22 and 8,320.02

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Solution

The fourth proportional to 21,648.03, 32,476.22 and 8,320.02 is: 12,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648.03 : 32,476.22 = 8,320.02 : x
  2. Step 2: Convert to fraction form
    21,648.03/32,476.22 = 8,320.02/x
  3. Step 3: Cross multiply
    21,648.03x = 32,476.22 × 8,320.02
  4. Step 4: Simplify right side
    21,648.03x = 270,202,799.92
  5. Step 5: Solve for x
    x = 270,202,799.92/21,648.03
  6. Step 6: Final answer
    x = 12,481.63

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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.