Home / 20,336.76-30,493.97-6,292.88

Finding the Fourth Proportional to 20,336.76, 30,493.97 and 6,292.88

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Solution

The fourth proportional to 20,336.76, 30,493.97 and 6,292.88 is: 9,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.76 : 30,493.97 = 6,292.88 : x
  2. Step 2: Convert to fraction form
    20,336.76/30,493.97 = 6,292.88/x
  3. Step 3: Cross multiply
    20,336.76x = 30,493.97 × 6,292.88
  4. Step 4: Simplify right side
    20,336.76x = 191,894,871.55
  5. Step 5: Solve for x
    x = 191,894,871.55/20,336.76
  6. Step 6: Final answer
    x = 9,435.86

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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.