Home / 18,235.35-25,163.37-10,680.66

Finding the Fourth Proportional to 18,235.35, 25,163.37 and 10,680.66

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Solution

The fourth proportional to 18,235.35, 25,163.37 and 10,680.66 is: 14,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.35 : 25,163.37 = 10,680.66 : x
  2. Step 2: Convert to fraction form
    18,235.35/25,163.37 = 10,680.66/x
  3. Step 3: Cross multiply
    18,235.35x = 25,163.37 × 10,680.66
  4. Step 4: Simplify right side
    18,235.35x = 268,761,399.42
  5. Step 5: Solve for x
    x = 268,761,399.42/18,235.35
  6. Step 6: Final answer
    x = 14,738.48

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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.