Home / 19,772.54-29,644.84-9,231.42

Finding the Fourth Proportional to 19,772.54, 29,644.84 and 9,231.42

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Solution

The fourth proportional to 19,772.54, 29,644.84 and 9,231.42 is: 13,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.54 : 29,644.84 = 9,231.42 : x
  2. Step 2: Convert to fraction form
    19,772.54/29,644.84 = 9,231.42/x
  3. Step 3: Cross multiply
    19,772.54x = 29,644.84 × 9,231.42
  4. Step 4: Simplify right side
    19,772.54x = 273,663,968.87
  5. Step 5: Solve for x
    x = 273,663,968.87/19,772.54
  6. Step 6: Final answer
    x = 13,840.61

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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.