Home / 15,481.71-23,230.76-6,722.77

Finding the Fourth Proportional to 15,481.71, 23,230.76 and 6,722.77

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Solution

The fourth proportional to 15,481.71, 23,230.76 and 6,722.77 is: 10,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.71 : 23,230.76 = 6,722.77 : x
  2. Step 2: Convert to fraction form
    15,481.71/23,230.76 = 6,722.77/x
  3. Step 3: Cross multiply
    15,481.71x = 23,230.76 × 6,722.77
  4. Step 4: Simplify right side
    15,481.71x = 156,175,056.41
  5. Step 5: Solve for x
    x = 156,175,056.41/15,481.71
  6. Step 6: Final answer
    x = 10,087.71

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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.