Home / 16,749.38-25,105.24-7,965.84

Finding the Fourth Proportional to 16,749.38, 25,105.24 and 7,965.84

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Solution

The fourth proportional to 16,749.38, 25,105.24 and 7,965.84 is: 11,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.38 : 25,105.24 = 7,965.84 : x
  2. Step 2: Convert to fraction form
    16,749.38/25,105.24 = 7,965.84/x
  3. Step 3: Cross multiply
    16,749.38x = 25,105.24 × 7,965.84
  4. Step 4: Simplify right side
    16,749.38x = 199,984,429.10
  5. Step 5: Solve for x
    x = 199,984,429.10/16,749.38
  6. Step 6: Final answer
    x = 11,939.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.