Home / 25,726.87-38,589.90-8,196.58

Finding the Fourth Proportional to 25,726.87, 38,589.90 and 8,196.58

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Solution

The fourth proportional to 25,726.87, 38,589.90 and 8,196.58 is: 12,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.87 : 38,589.90 = 8,196.58 : x
  2. Step 2: Convert to fraction form
    25,726.87/38,589.90 = 8,196.58/x
  3. Step 3: Cross multiply
    25,726.87x = 38,589.90 × 8,196.58
  4. Step 4: Simplify right side
    25,726.87x = 316,305,202.54
  5. Step 5: Solve for x
    x = 316,305,202.54/25,726.87
  6. Step 6: Final answer
    x = 12,294.74

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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.