Home / 21,452.16-32,148.63-15,481.44

Finding the Fourth Proportional to 21,452.16, 32,148.63 and 15,481.44

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Solution

The fourth proportional to 21,452.16, 32,148.63 and 15,481.44 is: 23,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.16 : 32,148.63 = 15,481.44 : x
  2. Step 2: Convert to fraction form
    21,452.16/32,148.63 = 15,481.44/x
  3. Step 3: Cross multiply
    21,452.16x = 32,148.63 × 15,481.44
  4. Step 4: Simplify right side
    21,452.16x = 497,707,086.43
  5. Step 5: Solve for x
    x = 497,707,086.43/21,452.16
  6. Step 6: Final answer
    x = 23,200.79

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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.