Home / 22,640.06-33,993.41-12,664.35

Finding the Fourth Proportional to 22,640.06, 33,993.41 and 12,664.35

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Solution

The fourth proportional to 22,640.06, 33,993.41 and 12,664.35 is: 19,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.06 : 33,993.41 = 12,664.35 : x
  2. Step 2: Convert to fraction form
    22,640.06/33,993.41 = 12,664.35/x
  3. Step 3: Cross multiply
    22,640.06x = 33,993.41 × 12,664.35
  4. Step 4: Simplify right side
    22,640.06x = 430,504,378.61
  5. Step 5: Solve for x
    x = 430,504,378.61/22,640.06
  6. Step 6: Final answer
    x = 19,015.16

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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.