Home / 20,325.92-30,481.31-6,995.19

Finding the Fourth Proportional to 20,325.92, 30,481.31 and 6,995.19

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Solution

The fourth proportional to 20,325.92, 30,481.31 and 6,995.19 is: 10,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.92 : 30,481.31 = 6,995.19 : x
  2. Step 2: Convert to fraction form
    20,325.92/30,481.31 = 6,995.19/x
  3. Step 3: Cross multiply
    20,325.92x = 30,481.31 × 6,995.19
  4. Step 4: Simplify right side
    20,325.92x = 213,222,519.92
  5. Step 5: Solve for x
    x = 213,222,519.92/20,325.92
  6. Step 6: Final answer
    x = 10,490.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.