Home / 13,163.15-19,750.22-5,772.92

Finding the Fourth Proportional to 13,163.15, 19,750.22 and 5,772.92

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Solution

The fourth proportional to 13,163.15, 19,750.22 and 5,772.92 is: 8,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.15 : 19,750.22 = 5,772.92 : x
  2. Step 2: Convert to fraction form
    13,163.15/19,750.22 = 5,772.92/x
  3. Step 3: Cross multiply
    13,163.15x = 19,750.22 × 5,772.92
  4. Step 4: Simplify right side
    13,163.15x = 114,016,334.08
  5. Step 5: Solve for x
    x = 114,016,334.08/13,163.15
  6. Step 6: Final answer
    x = 8,661.78

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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.