Home / 12,481.43-18,716.67-3,714.59

Finding the Fourth Proportional to 12,481.43, 18,716.67 and 3,714.59

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Solution

The fourth proportional to 12,481.43, 18,716.67 and 3,714.59 is: 5,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.43 : 18,716.67 = 3,714.59 : x
  2. Step 2: Convert to fraction form
    12,481.43/18,716.67 = 3,714.59/x
  3. Step 3: Cross multiply
    12,481.43x = 18,716.67 × 3,714.59
  4. Step 4: Simplify right side
    12,481.43x = 69,524,802.01
  5. Step 5: Solve for x
    x = 69,524,802.01/12,481.43
  6. Step 6: Final answer
    x = 5,570.26

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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.