Home / 19,964.20-27,550.56-11,012.26

Finding the Fourth Proportional to 19,964.20, 27,550.56 and 11,012.26

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Solution

The fourth proportional to 19,964.20, 27,550.56 and 11,012.26 is: 15,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.20 : 27,550.56 = 11,012.26 : x
  2. Step 2: Convert to fraction form
    19,964.20/27,550.56 = 11,012.26/x
  3. Step 3: Cross multiply
    19,964.20x = 27,550.56 × 11,012.26
  4. Step 4: Simplify right side
    19,964.20x = 303,393,929.87
  5. Step 5: Solve for x
    x = 303,393,929.87/19,964.20
  6. Step 6: Final answer
    x = 15,196.90

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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.