Home / 12,183.24-18,274.83-9,968.91

Finding the Fourth Proportional to 12,183.24, 18,274.83 and 9,968.91

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Solution

The fourth proportional to 12,183.24, 18,274.83 and 9,968.91 is: 14,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.24 : 18,274.83 = 9,968.91 : x
  2. Step 2: Convert to fraction form
    12,183.24/18,274.83 = 9,968.91/x
  3. Step 3: Cross multiply
    12,183.24x = 18,274.83 × 9,968.91
  4. Step 4: Simplify right side
    12,183.24x = 182,180,135.54
  5. Step 5: Solve for x
    x = 182,180,135.54/12,183.24
  6. Step 6: Final answer
    x = 14,953.34

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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.