Home / 20,248.24-27,942.49-11,295.75

Finding the Fourth Proportional to 20,248.24, 27,942.49 and 11,295.75

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Solution

The fourth proportional to 20,248.24, 27,942.49 and 11,295.75 is: 15,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.24 : 27,942.49 = 11,295.75 : x
  2. Step 2: Convert to fraction form
    20,248.24/27,942.49 = 11,295.75/x
  3. Step 3: Cross multiply
    20,248.24x = 27,942.49 × 11,295.75
  4. Step 4: Simplify right side
    20,248.24x = 315,631,484.44
  5. Step 5: Solve for x
    x = 315,631,484.44/20,248.24
  6. Step 6: Final answer
    x = 15,588.09

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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.