Home / 25,711.50-38,512.56-15,170.16

Finding the Fourth Proportional to 25,711.50, 38,512.56 and 15,170.16

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Solution

The fourth proportional to 25,711.50, 38,512.56 and 15,170.16 is: 22,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,711.50 : 38,512.56 = 15,170.16 : x
  2. Step 2: Convert to fraction form
    25,711.50/38,512.56 = 15,170.16/x
  3. Step 3: Cross multiply
    25,711.50x = 38,512.56 × 15,170.16
  4. Step 4: Simplify right side
    25,711.50x = 584,241,697.21
  5. Step 5: Solve for x
    x = 584,241,697.21/25,711.50
  6. Step 6: Final answer
    x = 22,722.97

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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.