Home / 16,261.97-24,390.40-5,167.20

Finding the Fourth Proportional to 16,261.97, 24,390.40 and 5,167.20

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Solution

The fourth proportional to 16,261.97, 24,390.40 and 5,167.20 is: 7,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.97 : 24,390.40 = 5,167.20 : x
  2. Step 2: Convert to fraction form
    16,261.97/24,390.40 = 5,167.20/x
  3. Step 3: Cross multiply
    16,261.97x = 24,390.40 × 5,167.20
  4. Step 4: Simplify right side
    16,261.97x = 126,030,074.88
  5. Step 5: Solve for x
    x = 126,030,074.88/16,261.97
  6. Step 6: Final answer
    x = 7,749.99

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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.