Home / 33,170.88-45,768.96-18,827.28

Finding the Fourth Proportional to 33,170.88, 45,768.96 and 18,827.28

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Solution

The fourth proportional to 33,170.88, 45,768.96 and 18,827.28 is: 25,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.88 : 45,768.96 = 18,827.28 : x
  2. Step 2: Convert to fraction form
    33,170.88/45,768.96 = 18,827.28/x
  3. Step 3: Cross multiply
    33,170.88x = 45,768.96 × 18,827.28
  4. Step 4: Simplify right side
    33,170.88x = 861,705,025.23
  5. Step 5: Solve for x
    x = 861,705,025.23/33,170.88
  6. Step 6: Final answer
    x = 25,977.76

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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.