Home / 30,195.27-41,669.57-16,766.55

Finding the Fourth Proportional to 30,195.27, 41,669.57 and 16,766.55

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Solution

The fourth proportional to 30,195.27, 41,669.57 and 16,766.55 is: 23,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.27 : 41,669.57 = 16,766.55 : x
  2. Step 2: Convert to fraction form
    30,195.27/41,669.57 = 16,766.55/x
  3. Step 3: Cross multiply
    30,195.27x = 41,669.57 × 16,766.55
  4. Step 4: Simplify right side
    30,195.27x = 698,654,970.80
  5. Step 5: Solve for x
    x = 698,654,970.80/30,195.27
  6. Step 6: Final answer
    x = 23,137.89

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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.