Home / 28,794.88-43,194.12-9,074.20

Finding the Fourth Proportional to 28,794.88, 43,194.12 and 9,074.20

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Solution

The fourth proportional to 28,794.88, 43,194.12 and 9,074.20 is: 13,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.88 : 43,194.12 = 9,074.20 : x
  2. Step 2: Convert to fraction form
    28,794.88/43,194.12 = 9,074.20/x
  3. Step 3: Cross multiply
    28,794.88x = 43,194.12 × 9,074.20
  4. Step 4: Simplify right side
    28,794.88x = 391,952,083.70
  5. Step 5: Solve for x
    x = 391,952,083.70/28,794.88
  6. Step 6: Final answer
    x = 13,611.87

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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.