Home / 22,860.72-34,286.40-6,221.88

Finding the Fourth Proportional to 22,860.72, 34,286.40 and 6,221.88

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Solution

The fourth proportional to 22,860.72, 34,286.40 and 6,221.88 is: 9,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.72 : 34,286.40 = 6,221.88 : x
  2. Step 2: Convert to fraction form
    22,860.72/34,286.40 = 6,221.88/x
  3. Step 3: Cross multiply
    22,860.72x = 34,286.40 × 6,221.88
  4. Step 4: Simplify right side
    22,860.72x = 213,325,866.43
  5. Step 5: Solve for x
    x = 213,325,866.43/22,860.72
  6. Step 6: Final answer
    x = 9,331.55

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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.