Home / 20,694.20-31,046.12-5,903.32

Finding the Fourth Proportional to 20,694.20, 31,046.12 and 5,903.32

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Solution

The fourth proportional to 20,694.20, 31,046.12 and 5,903.32 is: 8,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.20 : 31,046.12 = 5,903.32 : x
  2. Step 2: Convert to fraction form
    20,694.20/31,046.12 = 5,903.32/x
  3. Step 3: Cross multiply
    20,694.20x = 31,046.12 × 5,903.32
  4. Step 4: Simplify right side
    20,694.20x = 183,275,181.12
  5. Step 5: Solve for x
    x = 183,275,181.12/20,694.20
  6. Step 6: Final answer
    x = 8,856.35

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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.