Home / 19,991.56-27,589.24-11,496.44

Finding the Fourth Proportional to 19,991.56, 27,589.24 and 11,496.44

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Solution

The fourth proportional to 19,991.56, 27,589.24 and 11,496.44 is: 15,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.56 : 27,589.24 = 11,496.44 : x
  2. Step 2: Convert to fraction form
    19,991.56/27,589.24 = 11,496.44/x
  3. Step 3: Cross multiply
    19,991.56x = 27,589.24 × 11,496.44
  4. Step 4: Simplify right side
    19,991.56x = 317,178,042.31
  5. Step 5: Solve for x
    x = 317,178,042.31/19,991.56
  6. Step 6: Final answer
    x = 15,865.60

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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.