Home / 14,163.88-19,546.62-7,790.74

Finding the Fourth Proportional to 14,163.88, 19,546.62 and 7,790.74

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Solution

The fourth proportional to 14,163.88, 19,546.62 and 7,790.74 is: 10,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.88 : 19,546.62 = 7,790.74 : x
  2. Step 2: Convert to fraction form
    14,163.88/19,546.62 = 7,790.74/x
  3. Step 3: Cross multiply
    14,163.88x = 19,546.62 × 7,790.74
  4. Step 4: Simplify right side
    14,163.88x = 152,282,634.30
  5. Step 5: Solve for x
    x = 152,282,634.30/14,163.88
  6. Step 6: Final answer
    x = 10,751.48

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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.