Home / 19,938.69-29,913.30-6,791.04

Finding the Fourth Proportional to 19,938.69, 29,913.30 and 6,791.04

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Solution

The fourth proportional to 19,938.69, 29,913.30 and 6,791.04 is: 10,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.69 : 29,913.30 = 6,791.04 : x
  2. Step 2: Convert to fraction form
    19,938.69/29,913.30 = 6,791.04/x
  3. Step 3: Cross multiply
    19,938.69x = 29,913.30 × 6,791.04
  4. Step 4: Simplify right side
    19,938.69x = 203,142,416.83
  5. Step 5: Solve for x
    x = 203,142,416.83/19,938.69
  6. Step 6: Final answer
    x = 10,188.35

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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.