Home / 16,982.70-25,486.20-9,579.30

Finding the Fourth Proportional to 16,982.70, 25,486.20 and 9,579.30

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Solution

The fourth proportional to 16,982.70, 25,486.20 and 9,579.30 is: 14,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.70 : 25,486.20 = 9,579.30 : x
  2. Step 2: Convert to fraction form
    16,982.70/25,486.20 = 9,579.30/x
  3. Step 3: Cross multiply
    16,982.70x = 25,486.20 × 9,579.30
  4. Step 4: Simplify right side
    16,982.70x = 244,139,955.66
  5. Step 5: Solve for x
    x = 244,139,955.66/16,982.70
  6. Step 6: Final answer
    x = 14,375.80

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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.