Home / 20,229.74-27,917.10-11,733.50

Finding the Fourth Proportional to 20,229.74, 27,917.10 and 11,733.50

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Solution

The fourth proportional to 20,229.74, 27,917.10 and 11,733.50 is: 16,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.74 : 27,917.10 = 11,733.50 : x
  2. Step 2: Convert to fraction form
    20,229.74/27,917.10 = 11,733.50/x
  3. Step 3: Cross multiply
    20,229.74x = 27,917.10 × 11,733.50
  4. Step 4: Simplify right side
    20,229.74x = 327,565,292.85
  5. Step 5: Solve for x
    x = 327,565,292.85/20,229.74
  6. Step 6: Final answer
    x = 16,192.26

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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.