Home / 22,110.40-33,146.96-8,972.00

Finding the Fourth Proportional to 22,110.40, 33,146.96 and 8,972.00

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Solution

The fourth proportional to 22,110.40, 33,146.96 and 8,972.00 is: 13,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.40 : 33,146.96 = 8,972.00 : x
  2. Step 2: Convert to fraction form
    22,110.40/33,146.96 = 8,972.00/x
  3. Step 3: Cross multiply
    22,110.40x = 33,146.96 × 8,972.00
  4. Step 4: Simplify right side
    22,110.40x = 297,394,438.83
  5. Step 5: Solve for x
    x = 297,394,438.83/22,110.40
  6. Step 6: Final answer
    x = 13,450.43

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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.