Home / 19,972.92-29,962.26-6,123

Finding the Fourth Proportional to 19,972.92, 29,962.26 and 6,123

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Solution

The fourth proportional to 19,972.92, 29,962.26 and 6,123 is: 9,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.92 : 29,962.26 = 6,123 : x
  2. Step 2: Convert to fraction form
    19,972.92/29,962.26 = 6,123/x
  3. Step 3: Cross multiply
    19,972.92x = 29,962.26 × 6,123
  4. Step 4: Simplify right side
    19,972.92x = 183,458,917.98
  5. Step 5: Solve for x
    x = 183,458,917.98/19,972.92
  6. Step 6: Final answer
    x = 9,185.38

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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.