Home / 33,156.12-45,755.34-18,252.12

Finding the Fourth Proportional to 33,156.12, 45,755.34 and 18,252.12

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Solution

The fourth proportional to 33,156.12, 45,755.34 and 18,252.12 is: 25,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156.12 : 45,755.34 = 18,252.12 : x
  2. Step 2: Convert to fraction form
    33,156.12/45,755.34 = 18,252.12/x
  3. Step 3: Cross multiply
    33,156.12x = 45,755.34 × 18,252.12
  4. Step 4: Simplify right side
    33,156.12x = 835,131,956.32
  5. Step 5: Solve for x
    x = 835,131,956.32/33,156.12
  6. Step 6: Final answer
    x = 25,187.87

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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.