Home / 29,109.68-43,627.99-12,450.13

Finding the Fourth Proportional to 29,109.68, 43,627.99 and 12,450.13

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Solution

The fourth proportional to 29,109.68, 43,627.99 and 12,450.13 is: 18,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.68 : 43,627.99 = 12,450.13 : x
  2. Step 2: Convert to fraction form
    29,109.68/43,627.99 = 12,450.13/x
  3. Step 3: Cross multiply
    29,109.68x = 43,627.99 × 12,450.13
  4. Step 4: Simplify right side
    29,109.68x = 543,173,866.75
  5. Step 5: Solve for x
    x = 543,173,866.75/29,109.68
  6. Step 6: Final answer
    x = 18,659.56

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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.