Home / 22,099.50-30,497.31-12,163.50

Finding the Fourth Proportional to 22,099.50, 30,497.31 and 12,163.50

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Solution

The fourth proportional to 22,099.50, 30,497.31 and 12,163.50 is: 16,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,099.50 : 30,497.31 = 12,163.50 : x
  2. Step 2: Convert to fraction form
    22,099.50/30,497.31 = 12,163.50/x
  3. Step 3: Cross multiply
    22,099.50x = 30,497.31 × 12,163.50
  4. Step 4: Simplify right side
    22,099.50x = 370,954,030.19
  5. Step 5: Solve for x
    x = 370,954,030.19/22,099.50
  6. Step 6: Final answer
    x = 16,785.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.