Home / 12,228.44-18,322.38-11,207.03

Finding the Fourth Proportional to 12,228.44, 18,322.38 and 11,207.03

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Solution

The fourth proportional to 12,228.44, 18,322.38 and 11,207.03 is: 16,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.44 : 18,322.38 = 11,207.03 : x
  2. Step 2: Convert to fraction form
    12,228.44/18,322.38 = 11,207.03/x
  3. Step 3: Cross multiply
    12,228.44x = 18,322.38 × 11,207.03
  4. Step 4: Simplify right side
    12,228.44x = 205,339,370.72
  5. Step 5: Solve for x
    x = 205,339,370.72/12,228.44
  6. Step 6: Final answer
    x = 16,791.96

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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.