Home / 18,069.72-27,112.66-11,494.20

Finding the Fourth Proportional to 18,069.72, 27,112.66 and 11,494.20

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Solution

The fourth proportional to 18,069.72, 27,112.66 and 11,494.20 is: 17,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.72 : 27,112.66 = 11,494.20 : x
  2. Step 2: Convert to fraction form
    18,069.72/27,112.66 = 11,494.20/x
  3. Step 3: Cross multiply
    18,069.72x = 27,112.66 × 11,494.20
  4. Step 4: Simplify right side
    18,069.72x = 311,638,336.57
  5. Step 5: Solve for x
    x = 311,638,336.57/18,069.72
  6. Step 6: Final answer
    x = 17,246.44

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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.