Home / 20,246.53-27,942.38-11,297.14

Finding the Fourth Proportional to 20,246.53, 27,942.38 and 11,297.14

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Solution

The fourth proportional to 20,246.53, 27,942.38 and 11,297.14 is: 15,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.53 : 27,942.38 = 11,297.14 : x
  2. Step 2: Convert to fraction form
    20,246.53/27,942.38 = 11,297.14/x
  3. Step 3: Cross multiply
    20,246.53x = 27,942.38 × 11,297.14
  4. Step 4: Simplify right side
    20,246.53x = 315,668,978.79
  5. Step 5: Solve for x
    x = 315,668,978.79/20,246.53
  6. Step 6: Final answer
    x = 15,591.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.