Home / 29,109.12-43,627.17-12,449.60

Finding the Fourth Proportional to 29,109.12, 43,627.17 and 12,449.60

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Solution

The fourth proportional to 29,109.12, 43,627.17 and 12,449.60 is: 18,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.12 : 43,627.17 = 12,449.60 : x
  2. Step 2: Convert to fraction form
    29,109.12/43,627.17 = 12,449.60/x
  3. Step 3: Cross multiply
    29,109.12x = 43,627.17 × 12,449.60
  4. Step 4: Simplify right side
    29,109.12x = 543,140,597.50
  5. Step 5: Solve for x
    x = 543,140,597.50/29,109.12
  6. Step 6: Final answer
    x = 18,658.78

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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.