Home / 18,027.39-27,033.78-7,490.25

Finding the Fourth Proportional to 18,027.39, 27,033.78 and 7,490.25

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Solution

The fourth proportional to 18,027.39, 27,033.78 and 7,490.25 is: 11,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.39 : 27,033.78 = 7,490.25 : x
  2. Step 2: Convert to fraction form
    18,027.39/27,033.78 = 7,490.25/x
  3. Step 3: Cross multiply
    18,027.39x = 27,033.78 × 7,490.25
  4. Step 4: Simplify right side
    18,027.39x = 202,489,770.65
  5. Step 5: Solve for x
    x = 202,489,770.65/18,027.39
  6. Step 6: Final answer
    x = 11,232.34

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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.