Home / 20,196.21-27,881.71-14,164.97

Finding the Fourth Proportional to 20,196.21, 27,881.71 and 14,164.97

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Solution

The fourth proportional to 20,196.21, 27,881.71 and 14,164.97 is: 19,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.21 : 27,881.71 = 14,164.97 : x
  2. Step 2: Convert to fraction form
    20,196.21/27,881.71 = 14,164.97/x
  3. Step 3: Cross multiply
    20,196.21x = 27,881.71 × 14,164.97
  4. Step 4: Simplify right side
    20,196.21x = 394,943,585.70
  5. Step 5: Solve for x
    x = 394,943,585.70/20,196.21
  6. Step 6: Final answer
    x = 19,555.33

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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.