Home / 33,102.96-45,682.92-18,960.36

Finding the Fourth Proportional to 33,102.96, 45,682.92 and 18,960.36

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Solution

The fourth proportional to 33,102.96, 45,682.92 and 18,960.36 is: 26,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.96 : 45,682.92 = 18,960.36 : x
  2. Step 2: Convert to fraction form
    33,102.96/45,682.92 = 18,960.36/x
  3. Step 3: Cross multiply
    33,102.96x = 45,682.92 × 18,960.36
  4. Step 4: Simplify right side
    33,102.96x = 866,164,609.05
  5. Step 5: Solve for x
    x = 866,164,609.05/33,102.96
  6. Step 6: Final answer
    x = 26,165.78

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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.