Home / 12,195.38-18,262.07-11,072.12

Finding the Fourth Proportional to 12,195.38, 18,262.07 and 11,072.12

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Solution

The fourth proportional to 12,195.38, 18,262.07 and 11,072.12 is: 16,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.38 : 18,262.07 = 11,072.12 : x
  2. Step 2: Convert to fraction form
    12,195.38/18,262.07 = 11,072.12/x
  3. Step 3: Cross multiply
    12,195.38x = 18,262.07 × 11,072.12
  4. Step 4: Simplify right side
    12,195.38x = 202,199,683.82
  5. Step 5: Solve for x
    x = 202,199,683.82/12,195.38
  6. Step 6: Final answer
    x = 16,580.03

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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.