Home / 12,186.03-18,286.34-11,194.59

Finding the Fourth Proportional to 12,186.03, 18,286.34 and 11,194.59

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Solution

The fourth proportional to 12,186.03, 18,286.34 and 11,194.59 is: 16,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.03 : 18,286.34 = 11,194.59 : x
  2. Step 2: Convert to fraction form
    12,186.03/18,286.34 = 11,194.59/x
  3. Step 3: Cross multiply
    12,186.03x = 18,286.34 × 11,194.59
  4. Step 4: Simplify right side
    12,186.03x = 204,708,022.93
  5. Step 5: Solve for x
    x = 204,708,022.93/12,186.03
  6. Step 6: Final answer
    x = 16,798.58

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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.