Home / 17,660.13-26,493.85-5,180.56

Finding the Fourth Proportional to 17,660.13, 26,493.85 and 5,180.56

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Solution

The fourth proportional to 17,660.13, 26,493.85 and 5,180.56 is: 7,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.13 : 26,493.85 = 5,180.56 : x
  2. Step 2: Convert to fraction form
    17,660.13/26,493.85 = 5,180.56/x
  3. Step 3: Cross multiply
    17,660.13x = 26,493.85 × 5,180.56
  4. Step 4: Simplify right side
    17,660.13x = 137,252,919.80
  5. Step 5: Solve for x
    x = 137,252,919.80/17,660.13
  6. Step 6: Final answer
    x = 7,771.91

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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.