Home / 21,842.19-32,743.85-10,149.03

Finding the Fourth Proportional to 21,842.19, 32,743.85 and 10,149.03

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Solution

The fourth proportional to 21,842.19, 32,743.85 and 10,149.03 is: 15,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842.19 : 32,743.85 = 10,149.03 : x
  2. Step 2: Convert to fraction form
    21,842.19/32,743.85 = 10,149.03/x
  3. Step 3: Cross multiply
    21,842.19x = 32,743.85 × 10,149.03
  4. Step 4: Simplify right side
    21,842.19x = 332,318,265.22
  5. Step 5: Solve for x
    x = 332,318,265.22/21,842.19
  6. Step 6: Final answer
    x = 15,214.51

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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.