Home / 15,917.68-23,879.97-4,825.22

Finding the Fourth Proportional to 15,917.68, 23,879.97 and 4,825.22

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Solution

The fourth proportional to 15,917.68, 23,879.97 and 4,825.22 is: 7,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.68 : 23,879.97 = 4,825.22 : x
  2. Step 2: Convert to fraction form
    15,917.68/23,879.97 = 4,825.22/x
  3. Step 3: Cross multiply
    15,917.68x = 23,879.97 × 4,825.22
  4. Step 4: Simplify right side
    15,917.68x = 115,226,108.84
  5. Step 5: Solve for x
    x = 115,226,108.84/15,917.68
  6. Step 6: Final answer
    x = 7,238.88

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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.