Home / 25,609.77-38,414.48-8,079.60

Finding the Fourth Proportional to 25,609.77, 38,414.48 and 8,079.60

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Solution

The fourth proportional to 25,609.77, 38,414.48 and 8,079.60 is: 12,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.77 : 38,414.48 = 8,079.60 : x
  2. Step 2: Convert to fraction form
    25,609.77/38,414.48 = 8,079.60/x
  3. Step 3: Cross multiply
    25,609.77x = 38,414.48 × 8,079.60
  4. Step 4: Simplify right side
    25,609.77x = 310,373,594.04
  5. Step 5: Solve for x
    x = 310,373,594.04/25,609.77
  6. Step 6: Final answer
    x = 12,119.34

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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.