Home / 15,856.75-23,786.49-4,169.97

Finding the Fourth Proportional to 15,856.75, 23,786.49 and 4,169.97

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Solution

The fourth proportional to 15,856.75, 23,786.49 and 4,169.97 is: 6,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.75 : 23,786.49 = 4,169.97 : x
  2. Step 2: Convert to fraction form
    15,856.75/23,786.49 = 4,169.97/x
  3. Step 3: Cross multiply
    15,856.75x = 23,786.49 × 4,169.97
  4. Step 4: Simplify right side
    15,856.75x = 99,188,949.71
  5. Step 5: Solve for x
    x = 99,188,949.71/15,856.75
  6. Step 6: Final answer
    x = 6,255.31

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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.