Home / 20,045.25-27,662.49-11,093.36

Finding the Fourth Proportional to 20,045.25, 27,662.49 and 11,093.36

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Solution

The fourth proportional to 20,045.25, 27,662.49 and 11,093.36 is: 15,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.25 : 27,662.49 = 11,093.36 : x
  2. Step 2: Convert to fraction form
    20,045.25/27,662.49 = 11,093.36/x
  3. Step 3: Cross multiply
    20,045.25x = 27,662.49 × 11,093.36
  4. Step 4: Simplify right side
    20,045.25x = 306,869,821.75
  5. Step 5: Solve for x
    x = 306,869,821.75/20,045.25
  6. Step 6: Final answer
    x = 15,308.85

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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.