Home / 25,385.44-38,080.74-8,743.30

Finding the Fourth Proportional to 25,385.44, 38,080.74 and 8,743.30

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Solution

The fourth proportional to 25,385.44, 38,080.74 and 8,743.30 is: 13,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.44 : 38,080.74 = 8,743.30 : x
  2. Step 2: Convert to fraction form
    25,385.44/38,080.74 = 8,743.30/x
  3. Step 3: Cross multiply
    25,385.44x = 38,080.74 × 8,743.30
  4. Step 4: Simplify right side
    25,385.44x = 332,951,334.04
  5. Step 5: Solve for x
    x = 332,951,334.04/25,385.44
  6. Step 6: Final answer
    x = 13,115.84

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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.