Home / 18,157.96-25,055.25-10,198.66

Finding the Fourth Proportional to 18,157.96, 25,055.25 and 10,198.66

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Solution

The fourth proportional to 18,157.96, 25,055.25 and 10,198.66 is: 14,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.96 : 25,055.25 = 10,198.66 : x
  2. Step 2: Convert to fraction form
    18,157.96/25,055.25 = 10,198.66/x
  3. Step 3: Cross multiply
    18,157.96x = 25,055.25 × 10,198.66
  4. Step 4: Simplify right side
    18,157.96x = 255,529,850.69
  5. Step 5: Solve for x
    x = 255,529,850.69/18,157.96
  6. Step 6: Final answer
    x = 14,072.61

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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.