Home / 18,169.30-27,245.71-7,488.24

Finding the Fourth Proportional to 18,169.30, 27,245.71 and 7,488.24

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Solution

The fourth proportional to 18,169.30, 27,245.71 and 7,488.24 is: 11,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.30 : 27,245.71 = 7,488.24 : x
  2. Step 2: Convert to fraction form
    18,169.30/27,245.71 = 7,488.24/x
  3. Step 3: Cross multiply
    18,169.30x = 27,245.71 × 7,488.24
  4. Step 4: Simplify right side
    18,169.30x = 204,022,415.45
  5. Step 5: Solve for x
    x = 204,022,415.45/18,169.30
  6. Step 6: Final answer
    x = 11,228.96

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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.