Home / 18,618.14-25,694.31-10,234.64

Finding the Fourth Proportional to 18,618.14, 25,694.31 and 10,234.64

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Solution

The fourth proportional to 18,618.14, 25,694.31 and 10,234.64 is: 14,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.14 : 25,694.31 = 10,234.64 : x
  2. Step 2: Convert to fraction form
    18,618.14/25,694.31 = 10,234.64/x
  3. Step 3: Cross multiply
    18,618.14x = 25,694.31 × 10,234.64
  4. Step 4: Simplify right side
    18,618.14x = 262,972,012.90
  5. Step 5: Solve for x
    x = 262,972,012.90/18,618.14
  6. Step 6: Final answer
    x = 14,124.51

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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.