Home / 19,204.90-28,806.44-6,724.72

Finding the Fourth Proportional to 19,204.90, 28,806.44 and 6,724.72

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Solution

The fourth proportional to 19,204.90, 28,806.44 and 6,724.72 is: 10,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.90 : 28,806.44 = 6,724.72 : x
  2. Step 2: Convert to fraction form
    19,204.90/28,806.44 = 6,724.72/x
  3. Step 3: Cross multiply
    19,204.90x = 28,806.44 × 6,724.72
  4. Step 4: Simplify right side
    19,204.90x = 193,715,245.58
  5. Step 5: Solve for x
    x = 193,715,245.58/19,204.90
  6. Step 6: Final answer
    x = 10,086.76

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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.