Home / 18,571.44-27,852.79-11,077.09

Finding the Fourth Proportional to 18,571.44, 27,852.79 and 11,077.09

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Solution

The fourth proportional to 18,571.44, 27,852.79 and 11,077.09 is: 16,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.44 : 27,852.79 = 11,077.09 : x
  2. Step 2: Convert to fraction form
    18,571.44/27,852.79 = 11,077.09/x
  3. Step 3: Cross multiply
    18,571.44x = 27,852.79 × 11,077.09
  4. Step 4: Simplify right side
    18,571.44x = 308,527,861.58
  5. Step 5: Solve for x
    x = 308,527,861.58/18,571.44
  6. Step 6: Final answer
    x = 16,613.03

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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.