Home / 21,743.20-32,566.20-16,796.80

Finding the Fourth Proportional to 21,743.20, 32,566.20 and 16,796.80

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Solution

The fourth proportional to 21,743.20, 32,566.20 and 16,796.80 is: 25,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.20 : 32,566.20 = 16,796.80 : x
  2. Step 2: Convert to fraction form
    21,743.20/32,566.20 = 16,796.80/x
  3. Step 3: Cross multiply
    21,743.20x = 32,566.20 × 16,796.80
  4. Step 4: Simplify right side
    21,743.20x = 547,007,948.16
  5. Step 5: Solve for x
    x = 547,007,948.16/21,743.20
  6. Step 6: Final answer
    x = 25,157.66

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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.