Home / 19,940.93-29,902.24-6,787.94

Finding the Fourth Proportional to 19,940.93, 29,902.24 and 6,787.94

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Solution

The fourth proportional to 19,940.93, 29,902.24 and 6,787.94 is: 10,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.93 : 29,902.24 = 6,787.94 : x
  2. Step 2: Convert to fraction form
    19,940.93/29,902.24 = 6,787.94/x
  3. Step 3: Cross multiply
    19,940.93x = 29,902.24 × 6,787.94
  4. Step 4: Simplify right side
    19,940.93x = 202,974,668.77
  5. Step 5: Solve for x
    x = 202,974,668.77/19,940.93
  6. Step 6: Final answer
    x = 10,178.80

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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.