Home / 17,311.80-25,949.16-12,366.44

Finding the Fourth Proportional to 17,311.80, 25,949.16 and 12,366.44

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Solution

The fourth proportional to 17,311.80, 25,949.16 and 12,366.44 is: 18,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.80 : 25,949.16 = 12,366.44 : x
  2. Step 2: Convert to fraction form
    17,311.80/25,949.16 = 12,366.44/x
  3. Step 3: Cross multiply
    17,311.80x = 25,949.16 × 12,366.44
  4. Step 4: Simplify right side
    17,311.80x = 320,898,600.44
  5. Step 5: Solve for x
    x = 320,898,600.44/17,311.80
  6. Step 6: Final answer
    x = 18,536.41

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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.