Home / 21,932.26-32,842.34-12,060.69

Finding the Fourth Proportional to 21,932.26, 32,842.34 and 12,060.69

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Solution

The fourth proportional to 21,932.26, 32,842.34 and 12,060.69 is: 18,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.26 : 32,842.34 = 12,060.69 : x
  2. Step 2: Convert to fraction form
    21,932.26/32,842.34 = 12,060.69/x
  3. Step 3: Cross multiply
    21,932.26x = 32,842.34 × 12,060.69
  4. Step 4: Simplify right side
    21,932.26x = 396,101,281.61
  5. Step 5: Solve for x
    x = 396,101,281.61/21,932.26
  6. Step 6: Final answer
    x = 18,060.21

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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.