Home / 20,071.24-27,704.52-11,579.08

Finding the Fourth Proportional to 20,071.24, 27,704.52 and 11,579.08

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Solution

The fourth proportional to 20,071.24, 27,704.52 and 11,579.08 is: 15,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.24 : 27,704.52 = 11,579.08 : x
  2. Step 2: Convert to fraction form
    20,071.24/27,704.52 = 11,579.08/x
  3. Step 3: Cross multiply
    20,071.24x = 27,704.52 × 11,579.08
  4. Step 4: Simplify right side
    20,071.24x = 320,792,853.44
  5. Step 5: Solve for x
    x = 320,792,853.44/20,071.24
  6. Step 6: Final answer
    x = 15,982.71

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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.