Home / 18,696.20-28,044.27-5,548.44

Finding the Fourth Proportional to 18,696.20, 28,044.27 and 5,548.44

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Solution

The fourth proportional to 18,696.20, 28,044.27 and 5,548.44 is: 8,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.20 : 28,044.27 = 5,548.44 : x
  2. Step 2: Convert to fraction form
    18,696.20/28,044.27 = 5,548.44/x
  3. Step 3: Cross multiply
    18,696.20x = 28,044.27 × 5,548.44
  4. Step 4: Simplify right side
    18,696.20x = 155,601,949.44
  5. Step 5: Solve for x
    x = 155,601,949.44/18,696.20
  6. Step 6: Final answer
    x = 8,322.65

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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.