Home / 19,451.50-29,166.82-6,122

Finding the Fourth Proportional to 19,451.50, 29,166.82 and 6,122

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Solution

The fourth proportional to 19,451.50, 29,166.82 and 6,122 is: 9,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.50 : 29,166.82 = 6,122 : x
  2. Step 2: Convert to fraction form
    19,451.50/29,166.82 = 6,122/x
  3. Step 3: Cross multiply
    19,451.50x = 29,166.82 × 6,122
  4. Step 4: Simplify right side
    19,451.50x = 178,559,272.04
  5. Step 5: Solve for x
    x = 178,559,272.04/19,451.50
  6. Step 6: Final answer
    x = 9,179.72

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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.