Home / 16,879.24-25,318.92-5,192.40

Finding the Fourth Proportional to 16,879.24, 25,318.92 and 5,192.40

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Solution

The fourth proportional to 16,879.24, 25,318.92 and 5,192.40 is: 7,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.24 : 25,318.92 = 5,192.40 : x
  2. Step 2: Convert to fraction form
    16,879.24/25,318.92 = 5,192.40/x
  3. Step 3: Cross multiply
    16,879.24x = 25,318.92 × 5,192.40
  4. Step 4: Simplify right side
    16,879.24x = 131,465,960.21
  5. Step 5: Solve for x
    x = 131,465,960.21/16,879.24
  6. Step 6: Final answer
    x = 7,788.62

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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.