Home / 18,236.72-27,277.32-11,199.44

Finding the Fourth Proportional to 18,236.72, 27,277.32 and 11,199.44

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Solution

The fourth proportional to 18,236.72, 27,277.32 and 11,199.44 is: 16,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.72 : 27,277.32 = 11,199.44 : x
  2. Step 2: Convert to fraction form
    18,236.72/27,277.32 = 11,199.44/x
  3. Step 3: Cross multiply
    18,236.72x = 27,277.32 × 11,199.44
  4. Step 4: Simplify right side
    18,236.72x = 305,490,708.70
  5. Step 5: Solve for x
    x = 305,490,708.70/18,236.72
  6. Step 6: Final answer
    x = 16,751.41

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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.