Home / 18,475.44-27,696.60-6,785.91

Finding the Fourth Proportional to 18,475.44, 27,696.60 and 6,785.91

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Solution

The fourth proportional to 18,475.44, 27,696.60 and 6,785.91 is: 10,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.44 : 27,696.60 = 6,785.91 : x
  2. Step 2: Convert to fraction form
    18,475.44/27,696.60 = 6,785.91/x
  3. Step 3: Cross multiply
    18,475.44x = 27,696.60 × 6,785.91
  4. Step 4: Simplify right side
    18,475.44x = 187,946,634.91
  5. Step 5: Solve for x
    x = 187,946,634.91/18,475.44
  6. Step 6: Final answer
    x = 10,172.78

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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.