Home / 17,321.43-25,917.26-12,335.32

Finding the Fourth Proportional to 17,321.43, 25,917.26 and 12,335.32

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Solution

The fourth proportional to 17,321.43, 25,917.26 and 12,335.32 is: 18,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.43 : 25,917.26 = 12,335.32 : x
  2. Step 2: Convert to fraction form
    17,321.43/25,917.26 = 12,335.32/x
  3. Step 3: Cross multiply
    17,321.43x = 25,917.26 × 12,335.32
  4. Step 4: Simplify right side
    17,321.43x = 319,697,695.62
  5. Step 5: Solve for x
    x = 319,697,695.62/17,321.43
  6. Step 6: Final answer
    x = 18,456.77

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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.