Home / 30,198.18-41,672.70-16,769.09

Finding the Fourth Proportional to 30,198.18, 41,672.70 and 16,769.09

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Solution

The fourth proportional to 30,198.18, 41,672.70 and 16,769.09 is: 23,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.18 : 41,672.70 = 16,769.09 : x
  2. Step 2: Convert to fraction form
    30,198.18/41,672.70 = 16,769.09/x
  3. Step 3: Cross multiply
    30,198.18x = 41,672.70 × 16,769.09
  4. Step 4: Simplify right side
    30,198.18x = 698,813,256.84
  5. Step 5: Solve for x
    x = 698,813,256.84/30,198.18
  6. Step 6: Final answer
    x = 23,140.91

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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.