Home / 22,640.56-33,994.16-12,664.85

Finding the Fourth Proportional to 22,640.56, 33,994.16 and 12,664.85

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Solution

The fourth proportional to 22,640.56, 33,994.16 and 12,664.85 is: 19,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.56 : 33,994.16 = 12,664.85 : x
  2. Step 2: Convert to fraction form
    22,640.56/33,994.16 = 12,664.85/x
  3. Step 3: Cross multiply
    22,640.56x = 33,994.16 × 12,664.85
  4. Step 4: Simplify right side
    22,640.56x = 430,530,937.28
  5. Step 5: Solve for x
    x = 430,530,937.28/22,640.56
  6. Step 6: Final answer
    x = 19,015.91

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1.5x scale

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.