Home / 30,195.72-41,668.83-16,766.18

Finding the Fourth Proportional to 30,195.72, 41,668.83 and 16,766.18

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Solution

The fourth proportional to 30,195.72, 41,668.83 and 16,766.18 is: 23,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.72 : 41,668.83 = 16,766.18 : x
  2. Step 2: Convert to fraction form
    30,195.72/41,668.83 = 16,766.18/x
  3. Step 3: Cross multiply
    30,195.72x = 41,668.83 × 16,766.18
  4. Step 4: Simplify right side
    30,195.72x = 698,626,895.83
  5. Step 5: Solve for x
    x = 698,626,895.83/30,195.72
  6. Step 6: Final answer
    x = 23,136.62

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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.