Home / 19,192.38-28,796.94-6,721.35

Finding the Fourth Proportional to 19,192.38, 28,796.94 and 6,721.35

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Solution

The fourth proportional to 19,192.38, 28,796.94 and 6,721.35 is: 10,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.38 : 28,796.94 = 6,721.35 : x
  2. Step 2: Convert to fraction form
    19,192.38/28,796.94 = 6,721.35/x
  3. Step 3: Cross multiply
    19,192.38x = 28,796.94 × 6,721.35
  4. Step 4: Simplify right side
    19,192.38x = 193,554,312.67
  5. Step 5: Solve for x
    x = 193,554,312.67/19,192.38
  6. Step 6: Final answer
    x = 10,084.96

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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.