Home / 16,879.72-25,318.94-5,192.62

Finding the Fourth Proportional to 16,879.72, 25,318.94 and 5,192.62

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Solution

The fourth proportional to 16,879.72, 25,318.94 and 5,192.62 is: 7,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.72 : 25,318.94 = 5,192.62 : x
  2. Step 2: Convert to fraction form
    16,879.72/25,318.94 = 5,192.62/x
  3. Step 3: Cross multiply
    16,879.72x = 25,318.94 × 5,192.62
  4. Step 4: Simplify right side
    16,879.72x = 131,471,634.22
  5. Step 5: Solve for x
    x = 131,471,634.22/16,879.72
  6. Step 6: Final answer
    x = 7,788.73

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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.