Home / 30,183.89-41,649.32-16,755.25

Finding the Fourth Proportional to 30,183.89, 41,649.32 and 16,755.25

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Solution

The fourth proportional to 30,183.89, 41,649.32 and 16,755.25 is: 23,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.89 : 41,649.32 = 16,755.25 : x
  2. Step 2: Convert to fraction form
    30,183.89/41,649.32 = 16,755.25/x
  3. Step 3: Cross multiply
    30,183.89x = 41,649.32 × 16,755.25
  4. Step 4: Simplify right side
    30,183.89x = 697,844,560.68
  5. Step 5: Solve for x
    x = 697,844,560.68/30,183.89
  6. Step 6: Final answer
    x = 23,119.77

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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.