Home / 16,879.43-25,319.54-5,786.03

Finding the Fourth Proportional to 16,879.43, 25,319.54 and 5,786.03

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Solution

The fourth proportional to 16,879.43, 25,319.54 and 5,786.03 is: 8,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.43 : 25,319.54 = 5,786.03 : x
  2. Step 2: Convert to fraction form
    16,879.43/25,319.54 = 5,786.03/x
  3. Step 3: Cross multiply
    16,879.43x = 25,319.54 × 5,786.03
  4. Step 4: Simplify right side
    16,879.43x = 146,499,462.50
  5. Step 5: Solve for x
    x = 146,499,462.50/16,879.43
  6. Step 6: Final answer
    x = 8,679.17

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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.