Home / 20,170.58-30,245.46-9,067.80

Finding the Fourth Proportional to 20,170.58, 30,245.46 and 9,067.80

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Solution

The fourth proportional to 20,170.58, 30,245.46 and 9,067.80 is: 13,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.58 : 30,245.46 = 9,067.80 : x
  2. Step 2: Convert to fraction form
    20,170.58/30,245.46 = 9,067.80/x
  3. Step 3: Cross multiply
    20,170.58x = 30,245.46 × 9,067.80
  4. Step 4: Simplify right side
    20,170.58x = 274,259,782.19
  5. Step 5: Solve for x
    x = 274,259,782.19/20,170.58
  6. Step 6: Final answer
    x = 13,597.02

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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.