Home / 23,052.21-31,815.09-12,982.62

Finding the Fourth Proportional to 23,052.21, 31,815.09 and 12,982.62

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Solution

The fourth proportional to 23,052.21, 31,815.09 and 12,982.62 is: 17,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,052.21 : 31,815.09 = 12,982.62 : x
  2. Step 2: Convert to fraction form
    23,052.21/31,815.09 = 12,982.62/x
  3. Step 3: Cross multiply
    23,052.21x = 31,815.09 × 12,982.62
  4. Step 4: Simplify right side
    23,052.21x = 413,043,294.36
  5. Step 5: Solve for x
    x = 413,043,294.36/23,052.21
  6. Step 6: Final answer
    x = 17,917.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.