Home / 18,086.64-24,960.96-10,131.54

Finding the Fourth Proportional to 18,086.64, 24,960.96 and 10,131.54

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Solution

The fourth proportional to 18,086.64, 24,960.96 and 10,131.54 is: 13,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.64 : 24,960.96 = 10,131.54 : x
  2. Step 2: Convert to fraction form
    18,086.64/24,960.96 = 10,131.54/x
  3. Step 3: Cross multiply
    18,086.64x = 24,960.96 × 10,131.54
  4. Step 4: Simplify right side
    18,086.64x = 252,892,964.68
  5. Step 5: Solve for x
    x = 252,892,964.68/18,086.64
  6. Step 6: Final answer
    x = 13,982.31

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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.