Home / 19,122.87-28,689.49-5,795.33

Finding the Fourth Proportional to 19,122.87, 28,689.49 and 5,795.33

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Solution

The fourth proportional to 19,122.87, 28,689.49 and 5,795.33 is: 8,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.87 : 28,689.49 = 5,795.33 : x
  2. Step 2: Convert to fraction form
    19,122.87/28,689.49 = 5,795.33/x
  3. Step 3: Cross multiply
    19,122.87x = 28,689.49 × 5,795.33
  4. Step 4: Simplify right side
    19,122.87x = 166,264,940.37
  5. Step 5: Solve for x
    x = 166,264,940.37/19,122.87
  6. Step 6: Final answer
    x = 8,694.56

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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.