Home / 28,914.96-43,371.84-9,193.56

Finding the Fourth Proportional to 28,914.96, 43,371.84 and 9,193.56

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Solution

The fourth proportional to 28,914.96, 43,371.84 and 9,193.56 is: 13,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.96 : 43,371.84 = 9,193.56 : x
  2. Step 2: Convert to fraction form
    28,914.96/43,371.84 = 9,193.56/x
  3. Step 3: Cross multiply
    28,914.96x = 43,371.84 × 9,193.56
  4. Step 4: Simplify right side
    28,914.96x = 398,741,613.35
  5. Step 5: Solve for x
    x = 398,741,613.35/28,914.96
  6. Step 6: Final answer
    x = 13,790.15

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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.