Home / 22,982.90-31,715.34-12,773.46

Finding the Fourth Proportional to 22,982.90, 31,715.34 and 12,773.46

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Solution

The fourth proportional to 22,982.90, 31,715.34 and 12,773.46 is: 17,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,982.90 : 31,715.34 = 12,773.46 : x
  2. Step 2: Convert to fraction form
    22,982.90/31,715.34 = 12,773.46/x
  3. Step 3: Cross multiply
    22,982.90x = 31,715.34 × 12,773.46
  4. Step 4: Simplify right side
    22,982.90x = 405,114,626.88
  5. Step 5: Solve for x
    x = 405,114,626.88/22,982.90
  6. Step 6: Final answer
    x = 17,626.78

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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.