Home / 30,193.53-41,668.37-16,764.78

Finding the Fourth Proportional to 30,193.53, 41,668.37 and 16,764.78

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Solution

The fourth proportional to 30,193.53, 41,668.37 and 16,764.78 is: 23,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.53 : 41,668.37 = 16,764.78 : x
  2. Step 2: Convert to fraction form
    30,193.53/41,668.37 = 16,764.78/x
  3. Step 3: Cross multiply
    30,193.53x = 41,668.37 × 16,764.78
  4. Step 4: Simplify right side
    30,193.53x = 698,561,056.01
  5. Step 5: Solve for x
    x = 698,561,056.01/30,193.53
  6. Step 6: Final answer
    x = 23,136.12

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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.