Home / 12,014.09-18,022.85-3,694.80

Finding the Fourth Proportional to 12,014.09, 18,022.85 and 3,694.80

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Solution

The fourth proportional to 12,014.09, 18,022.85 and 3,694.80 is: 5,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.09 : 18,022.85 = 3,694.80 : x
  2. Step 2: Convert to fraction form
    12,014.09/18,022.85 = 3,694.80/x
  3. Step 3: Cross multiply
    12,014.09x = 18,022.85 × 3,694.80
  4. Step 4: Simplify right side
    12,014.09x = 66,590,826.18
  5. Step 5: Solve for x
    x = 66,590,826.18/12,014.09
  6. Step 6: Final answer
    x = 5,542.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.