Home / 18,296.47-27,442.28-5,149.97

Finding the Fourth Proportional to 18,296.47, 27,442.28 and 5,149.97

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Solution

The fourth proportional to 18,296.47, 27,442.28 and 5,149.97 is: 7,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.47 : 27,442.28 = 5,149.97 : x
  2. Step 2: Convert to fraction form
    18,296.47/27,442.28 = 5,149.97/x
  3. Step 3: Cross multiply
    18,296.47x = 27,442.28 × 5,149.97
  4. Step 4: Simplify right side
    18,296.47x = 141,326,824.38
  5. Step 5: Solve for x
    x = 141,326,824.38/18,296.47
  6. Step 6: Final answer
    x = 7,724.27

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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.