Home / 18,617.14-27,925.83-5,469.70

Finding the Fourth Proportional to 18,617.14, 27,925.83 and 5,469.70

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Solution

The fourth proportional to 18,617.14, 27,925.83 and 5,469.70 is: 8,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.14 : 27,925.83 = 5,469.70 : x
  2. Step 2: Convert to fraction form
    18,617.14/27,925.83 = 5,469.70/x
  3. Step 3: Cross multiply
    18,617.14x = 27,925.83 × 5,469.70
  4. Step 4: Simplify right side
    18,617.14x = 152,745,912.35
  5. Step 5: Solve for x
    x = 152,745,912.35/18,617.14
  6. Step 6: Final answer
    x = 8,204.59

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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.