Home / 12,163.43-18,124.24-10,836.99

Finding the Fourth Proportional to 12,163.43, 18,124.24 and 10,836.99

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Solution

The fourth proportional to 12,163.43, 18,124.24 and 10,836.99 is: 16,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.43 : 18,124.24 = 10,836.99 : x
  2. Step 2: Convert to fraction form
    12,163.43/18,124.24 = 10,836.99/x
  3. Step 3: Cross multiply
    12,163.43x = 18,124.24 × 10,836.99
  4. Step 4: Simplify right side
    12,163.43x = 196,412,153.45
  5. Step 5: Solve for x
    x = 196,412,153.45/12,163.43
  6. Step 6: Final answer
    x = 16,147.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.