Home / 17,961.92-26,972.90-11,223.19

Finding the Fourth Proportional to 17,961.92, 26,972.90 and 11,223.19

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Solution

The fourth proportional to 17,961.92, 26,972.90 and 11,223.19 is: 16,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.92 : 26,972.90 = 11,223.19 : x
  2. Step 2: Convert to fraction form
    17,961.92/26,972.90 = 11,223.19/x
  3. Step 3: Cross multiply
    17,961.92x = 26,972.90 × 11,223.19
  4. Step 4: Simplify right side
    17,961.92x = 302,722,001.24
  5. Step 5: Solve for x
    x = 302,722,001.24/17,961.92
  6. Step 6: Final answer
    x = 16,853.54

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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.