Home / 30,193.21-41,665.83-16,764.12

Finding the Fourth Proportional to 30,193.21, 41,665.83 and 16,764.12

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Solution

The fourth proportional to 30,193.21, 41,665.83 and 16,764.12 is: 23,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.21 : 41,665.83 = 16,764.12 : x
  2. Step 2: Convert to fraction form
    30,193.21/41,665.83 = 16,764.12/x
  3. Step 3: Cross multiply
    30,193.21x = 41,665.83 × 16,764.12
  4. Step 4: Simplify right side
    30,193.21x = 698,491,169.79
  5. Step 5: Solve for x
    x = 698,491,169.79/30,193.21
  6. Step 6: Final answer
    x = 23,134.04

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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.