Home / 19,733.85-27,231.20-11,234.28

Finding the Fourth Proportional to 19,733.85, 27,231.20 and 11,234.28

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Solution

The fourth proportional to 19,733.85, 27,231.20 and 11,234.28 is: 15,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.85 : 27,231.20 = 11,234.28 : x
  2. Step 2: Convert to fraction form
    19,733.85/27,231.20 = 11,234.28/x
  3. Step 3: Cross multiply
    19,733.85x = 27,231.20 × 11,234.28
  4. Step 4: Simplify right side
    19,733.85x = 305,923,076.80
  5. Step 5: Solve for x
    x = 305,923,076.80/19,733.85
  6. Step 6: Final answer
    x = 15,502.45

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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.