Home / 21,734.43-29,994.26-12,174.73

Finding the Fourth Proportional to 21,734.43, 29,994.26 and 12,174.73

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Solution

The fourth proportional to 21,734.43, 29,994.26 and 12,174.73 is: 16,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.43 : 29,994.26 = 12,174.73 : x
  2. Step 2: Convert to fraction form
    21,734.43/29,994.26 = 12,174.73/x
  3. Step 3: Cross multiply
    21,734.43x = 29,994.26 × 12,174.73
  4. Step 4: Simplify right side
    21,734.43x = 365,171,956.18
  5. Step 5: Solve for x
    x = 365,171,956.18/21,734.43
  6. Step 6: Final answer
    x = 16,801.54

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1.5x scale

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.