Home / 20,226.38-27,913.36-11,273.94

Finding the Fourth Proportional to 20,226.38, 27,913.36 and 11,273.94

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Solution

The fourth proportional to 20,226.38, 27,913.36 and 11,273.94 is: 15,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.38 : 27,913.36 = 11,273.94 : x
  2. Step 2: Convert to fraction form
    20,226.38/27,913.36 = 11,273.94/x
  3. Step 3: Cross multiply
    20,226.38x = 27,913.36 × 11,273.94
  4. Step 4: Simplify right side
    20,226.38x = 314,693,489.47
  5. Step 5: Solve for x
    x = 314,693,489.47/20,226.38
  6. Step 6: Final answer
    x = 15,558.57

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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.