Home / 16,991.24-25,462.20-9,579.88

Finding the Fourth Proportional to 16,991.24, 25,462.20 and 9,579.88

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Solution

The fourth proportional to 16,991.24, 25,462.20 and 9,579.88 is: 14,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.24 : 25,462.20 = 9,579.88 : x
  2. Step 2: Convert to fraction form
    16,991.24/25,462.20 = 9,579.88/x
  3. Step 3: Cross multiply
    16,991.24x = 25,462.20 × 9,579.88
  4. Step 4: Simplify right side
    16,991.24x = 243,924,820.54
  5. Step 5: Solve for x
    x = 243,924,820.54/16,991.24
  6. Step 6: Final answer
    x = 14,355.92

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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.