Home / 18,517.06-27,743.24-15,416.98

Finding the Fourth Proportional to 18,517.06, 27,743.24 and 15,416.98

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Solution

The fourth proportional to 18,517.06, 27,743.24 and 15,416.98 is: 23,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.06 : 27,743.24 = 15,416.98 : x
  2. Step 2: Convert to fraction form
    18,517.06/27,743.24 = 15,416.98/x
  3. Step 3: Cross multiply
    18,517.06x = 27,743.24 × 15,416.98
  4. Step 4: Simplify right side
    18,517.06x = 427,716,976.22
  5. Step 5: Solve for x
    x = 427,716,976.22/18,517.06
  6. Step 6: Final answer
    x = 23,098.54

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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.