Home / 16,879.40-25,319.22-5,192.60

Finding the Fourth Proportional to 16,879.40, 25,319.22 and 5,192.60

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Solution

The fourth proportional to 16,879.40, 25,319.22 and 5,192.60 is: 7,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.40 : 25,319.22 = 5,192.60 : x
  2. Step 2: Convert to fraction form
    16,879.40/25,319.22 = 5,192.60/x
  3. Step 3: Cross multiply
    16,879.40x = 25,319.22 × 5,192.60
  4. Step 4: Simplify right side
    16,879.40x = 131,472,581.77
  5. Step 5: Solve for x
    x = 131,472,581.77/16,879.40
  6. Step 6: Final answer
    x = 7,788.94

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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.