Home / 30,198.75-41,674.29-16,772.19

Finding the Fourth Proportional to 30,198.75, 41,674.29 and 16,772.19

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Solution

The fourth proportional to 30,198.75, 41,674.29 and 16,772.19 is: 23,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.75 : 41,674.29 = 16,772.19 : x
  2. Step 2: Convert to fraction form
    30,198.75/41,674.29 = 16,772.19/x
  3. Step 3: Cross multiply
    30,198.75x = 41,674.29 × 16,772.19
  4. Step 4: Simplify right side
    30,198.75x = 698,969,110.00
  5. Step 5: Solve for x
    x = 698,969,110.00/30,198.75
  6. Step 6: Final answer
    x = 23,145.63

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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.