Home / 20,194.21-27,878.95-14,162.97

Finding the Fourth Proportional to 20,194.21, 27,878.95 and 14,162.97

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Solution

The fourth proportional to 20,194.21, 27,878.95 and 14,162.97 is: 19,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.21 : 27,878.95 = 14,162.97 : x
  2. Step 2: Convert to fraction form
    20,194.21/27,878.95 = 14,162.97/x
  3. Step 3: Cross multiply
    20,194.21x = 27,878.95 × 14,162.97
  4. Step 4: Simplify right side
    20,194.21x = 394,848,732.48
  5. Step 5: Solve for x
    x = 394,848,732.48/20,194.21
  6. Step 6: Final answer
    x = 19,552.57

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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.