Home / 25,505.82-38,260.35-6,785.55

Finding the Fourth Proportional to 25,505.82, 38,260.35 and 6,785.55

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Solution

The fourth proportional to 25,505.82, 38,260.35 and 6,785.55 is: 10,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.82 : 38,260.35 = 6,785.55 : x
  2. Step 2: Convert to fraction form
    25,505.82/38,260.35 = 6,785.55/x
  3. Step 3: Cross multiply
    25,505.82x = 38,260.35 × 6,785.55
  4. Step 4: Simplify right side
    25,505.82x = 259,617,517.94
  5. Step 5: Solve for x
    x = 259,617,517.94/25,505.82
  6. Step 6: Final answer
    x = 10,178.76

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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.