Home / 12,514.97-17,231.31-10,622.61

Finding the Fourth Proportional to 12,514.97, 17,231.31 and 10,622.61

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Solution

The fourth proportional to 12,514.97, 17,231.31 and 10,622.61 is: 14,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.97 : 17,231.31 = 10,622.61 : x
  2. Step 2: Convert to fraction form
    12,514.97/17,231.31 = 10,622.61/x
  3. Step 3: Cross multiply
    12,514.97x = 17,231.31 × 10,622.61
  4. Step 4: Simplify right side
    12,514.97x = 183,041,485.92
  5. Step 5: Solve for x
    x = 183,041,485.92/12,514.97
  6. Step 6: Final answer
    x = 14,625.81

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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.