Home / 25,685.56-35,456.25-16,122.88

Finding the Fourth Proportional to 25,685.56, 35,456.25 and 16,122.88

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Solution

The fourth proportional to 25,685.56, 35,456.25 and 16,122.88 is: 22,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.56 : 35,456.25 = 16,122.88 : x
  2. Step 2: Convert to fraction form
    25,685.56/35,456.25 = 16,122.88/x
  3. Step 3: Cross multiply
    25,685.56x = 35,456.25 × 16,122.88
  4. Step 4: Simplify right side
    25,685.56x = 571,656,864
  5. Step 5: Solve for x
    x = 571,656,864/25,685.56
  6. Step 6: Final answer
    x = 22,255.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.