Home / 20,232.39-27,917.17-11,735.29

Finding the Fourth Proportional to 20,232.39, 27,917.17 and 11,735.29

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Solution

The fourth proportional to 20,232.39, 27,917.17 and 11,735.29 is: 16,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.39 : 27,917.17 = 11,735.29 : x
  2. Step 2: Convert to fraction form
    20,232.39/27,917.17 = 11,735.29/x
  3. Step 3: Cross multiply
    20,232.39x = 27,917.17 × 11,735.29
  4. Step 4: Simplify right side
    20,232.39x = 327,616,085.93
  5. Step 5: Solve for x
    x = 327,616,085.93/20,232.39
  6. Step 6: Final answer
    x = 16,192.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.