Home / 30,213.72-41,694.90-16,786.22

Finding the Fourth Proportional to 30,213.72, 41,694.90 and 16,786.22

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Solution

The fourth proportional to 30,213.72, 41,694.90 and 16,786.22 is: 23,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.72 : 41,694.90 = 16,786.22 : x
  2. Step 2: Convert to fraction form
    30,213.72/41,694.90 = 16,786.22/x
  3. Step 3: Cross multiply
    30,213.72x = 41,694.90 × 16,786.22
  4. Step 4: Simplify right side
    30,213.72x = 699,899,764.28
  5. Step 5: Solve for x
    x = 699,899,764.28/30,213.72
  6. Step 6: Final answer
    x = 23,164.96

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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.