Home / 19,940.87-29,906.78-5,901.95

Finding the Fourth Proportional to 19,940.87, 29,906.78 and 5,901.95

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Solution

The fourth proportional to 19,940.87, 29,906.78 and 5,901.95 is: 8,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.87 : 29,906.78 = 5,901.95 : x
  2. Step 2: Convert to fraction form
    19,940.87/29,906.78 = 5,901.95/x
  3. Step 3: Cross multiply
    19,940.87x = 29,906.78 × 5,901.95
  4. Step 4: Simplify right side
    19,940.87x = 176,508,141.18
  5. Step 5: Solve for x
    x = 176,508,141.18/19,940.87
  6. Step 6: Final answer
    x = 8,851.58

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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.