Home / 21,966.93-32,853.20-19,517.49

Finding the Fourth Proportional to 21,966.93, 32,853.20 and 19,517.49

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Solution

The fourth proportional to 21,966.93, 32,853.20 and 19,517.49 is: 29,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.93 : 32,853.20 = 19,517.49 : x
  2. Step 2: Convert to fraction form
    21,966.93/32,853.20 = 19,517.49/x
  3. Step 3: Cross multiply
    21,966.93x = 32,853.20 × 19,517.49
  4. Step 4: Simplify right side
    21,966.93x = 641,211,904.88
  5. Step 5: Solve for x
    x = 641,211,904.88/21,966.93
  6. Step 6: Final answer
    x = 29,189.87

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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.