Home / 19,964.32-27,550.71-11,467

Finding the Fourth Proportional to 19,964.32, 27,550.71 and 11,467

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Solution

The fourth proportional to 19,964.32, 27,550.71 and 11,467 is: 15,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.32 : 27,550.71 = 11,467 : x
  2. Step 2: Convert to fraction form
    19,964.32/27,550.71 = 11,467/x
  3. Step 3: Cross multiply
    19,964.32x = 27,550.71 × 11,467
  4. Step 4: Simplify right side
    19,964.32x = 315,923,991.57
  5. Step 5: Solve for x
    x = 315,923,991.57/19,964.32
  6. Step 6: Final answer
    x = 15,824.43

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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.