Home / 20,183.97-30,256.31-9,651.26

Finding the Fourth Proportional to 20,183.97, 30,256.31 and 9,651.26

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Solution

The fourth proportional to 20,183.97, 30,256.31 and 9,651.26 is: 14,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.97 : 30,256.31 = 9,651.26 : x
  2. Step 2: Convert to fraction form
    20,183.97/30,256.31 = 9,651.26/x
  3. Step 3: Cross multiply
    20,183.97x = 30,256.31 × 9,651.26
  4. Step 4: Simplify right side
    20,183.97x = 292,011,387.30
  5. Step 5: Solve for x
    x = 292,011,387.30/20,183.97
  6. Step 6: Final answer
    x = 14,467.49

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1.5x scale

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.