Home / 30,195.99-41,668.34-16,766.15

Finding the Fourth Proportional to 30,195.99, 41,668.34 and 16,766.15

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Solution

The fourth proportional to 30,195.99, 41,668.34 and 16,766.15 is: 23,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.99 : 41,668.34 = 16,766.15 : x
  2. Step 2: Convert to fraction form
    30,195.99/41,668.34 = 16,766.15/x
  3. Step 3: Cross multiply
    30,195.99x = 41,668.34 × 16,766.15
  4. Step 4: Simplify right side
    30,195.99x = 698,617,346.52
  5. Step 5: Solve for x
    x = 698,617,346.52/30,195.99
  6. Step 6: Final answer
    x = 23,136.10

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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.