Home / 29,819.09-41,151.11-16,390.69

Finding the Fourth Proportional to 29,819.09, 41,151.11 and 16,390.69

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Solution

The fourth proportional to 29,819.09, 41,151.11 and 16,390.69 is: 22,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.09 : 41,151.11 = 16,390.69 : x
  2. Step 2: Convert to fraction form
    29,819.09/41,151.11 = 16,390.69/x
  3. Step 3: Cross multiply
    29,819.09x = 41,151.11 × 16,390.69
  4. Step 4: Simplify right side
    29,819.09x = 674,494,902.33
  5. Step 5: Solve for x
    x = 674,494,902.33/29,819.09
  6. Step 6: Final answer
    x = 22,619.57

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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.