Home / 20,276.20-30,418.18-6,233.70

Finding the Fourth Proportional to 20,276.20, 30,418.18 and 6,233.70

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Solution

The fourth proportional to 20,276.20, 30,418.18 and 6,233.70 is: 9,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.20 : 30,418.18 = 6,233.70 : x
  2. Step 2: Convert to fraction form
    20,276.20/30,418.18 = 6,233.70/x
  3. Step 3: Cross multiply
    20,276.20x = 30,418.18 × 6,233.70
  4. Step 4: Simplify right side
    20,276.20x = 189,617,808.67
  5. Step 5: Solve for x
    x = 189,617,808.67/20,276.20
  6. Step 6: Final answer
    x = 9,351.74

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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.