Home / 20,191.06-27,770.93-16,203.43

Finding the Fourth Proportional to 20,191.06, 27,770.93 and 16,203.43

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Solution

The fourth proportional to 20,191.06, 27,770.93 and 16,203.43 is: 22,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.06 : 27,770.93 = 16,203.43 : x
  2. Step 2: Convert to fraction form
    20,191.06/27,770.93 = 16,203.43/x
  3. Step 3: Cross multiply
    20,191.06x = 27,770.93 × 16,203.43
  4. Step 4: Simplify right side
    20,191.06x = 449,984,320.29
  5. Step 5: Solve for x
    x = 449,984,320.29/20,191.06
  6. Step 6: Final answer
    x = 22,286.31

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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.