Home / 22,172.19-33,231.84-10,309.95

Finding the Fourth Proportional to 22,172.19, 33,231.84 and 10,309.95

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Solution

The fourth proportional to 22,172.19, 33,231.84 and 10,309.95 is: 15,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.19 : 33,231.84 = 10,309.95 : x
  2. Step 2: Convert to fraction form
    22,172.19/33,231.84 = 10,309.95/x
  3. Step 3: Cross multiply
    22,172.19x = 33,231.84 × 10,309.95
  4. Step 4: Simplify right side
    22,172.19x = 342,618,608.81
  5. Step 5: Solve for x
    x = 342,618,608.81/22,172.19
  6. Step 6: Final answer
    x = 15,452.63

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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.