Home / 16,877.24-25,315.92-5,190.38

Finding the Fourth Proportional to 16,877.24, 25,315.92 and 5,190.38

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Solution

The fourth proportional to 16,877.24, 25,315.92 and 5,190.38 is: 7,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.24 : 25,315.92 = 5,190.38 : x
  2. Step 2: Convert to fraction form
    16,877.24/25,315.92 = 5,190.38/x
  3. Step 3: Cross multiply
    16,877.24x = 25,315.92 × 5,190.38
  4. Step 4: Simplify right side
    16,877.24x = 131,399,244.85
  5. Step 5: Solve for x
    x = 131,399,244.85/16,877.24
  6. Step 6: Final answer
    x = 7,785.59

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1.5x scale

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.