Home / 21,634.28-32,475.72-16,762.66

Finding the Fourth Proportional to 21,634.28, 32,475.72 and 16,762.66

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Solution

The fourth proportional to 21,634.28, 32,475.72 and 16,762.66 is: 25,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.28 : 32,475.72 = 16,762.66 : x
  2. Step 2: Convert to fraction form
    21,634.28/32,475.72 = 16,762.66/x
  3. Step 3: Cross multiply
    21,634.28x = 32,475.72 × 16,762.66
  4. Step 4: Simplify right side
    21,634.28x = 544,379,452.62
  5. Step 5: Solve for x
    x = 544,379,452.62/21,634.28
  6. Step 6: Final answer
    x = 25,162.82

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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.