Home / 22,360-30,843.96-13,961.92

Finding the Fourth Proportional to 22,360, 30,843.96 and 13,961.92

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Solution

The fourth proportional to 22,360, 30,843.96 and 13,961.92 is: 19,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360 : 30,843.96 = 13,961.92 : x
  2. Step 2: Convert to fraction form
    22,360/30,843.96 = 13,961.92/x
  3. Step 3: Cross multiply
    22,360x = 30,843.96 × 13,961.92
  4. Step 4: Simplify right side
    22,360x = 430,640,902.00
  5. Step 5: Solve for x
    x = 430,640,902.00/22,360
  6. Step 6: Final answer
    x = 19,259.43

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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.