Home / 20,449.12-30,673.73-6,217.73

Finding the Fourth Proportional to 20,449.12, 30,673.73 and 6,217.73

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Solution

The fourth proportional to 20,449.12, 30,673.73 and 6,217.73 is: 9,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.12 : 30,673.73 = 6,217.73 : x
  2. Step 2: Convert to fraction form
    20,449.12/30,673.73 = 6,217.73/x
  3. Step 3: Cross multiply
    20,449.12x = 30,673.73 × 6,217.73
  4. Step 4: Simplify right side
    20,449.12x = 190,720,786.78
  5. Step 5: Solve for x
    x = 190,720,786.78/20,449.12
  6. Step 6: Final answer
    x = 9,326.60

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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.