Home / 22,159.85-33,161.75-13,843.79

Finding the Fourth Proportional to 22,159.85, 33,161.75 and 13,843.79

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Solution

The fourth proportional to 22,159.85, 33,161.75 and 13,843.79 is: 20,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.85 : 33,161.75 = 13,843.79 : x
  2. Step 2: Convert to fraction form
    22,159.85/33,161.75 = 13,843.79/x
  3. Step 3: Cross multiply
    22,159.85x = 33,161.75 × 13,843.79
  4. Step 4: Simplify right side
    22,159.85x = 459,084,137.22
  5. Step 5: Solve for x
    x = 459,084,137.22/22,159.85
  6. Step 6: Final answer
    x = 20,716.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.