Home / 22,255.56-33,383.34-11,887.56

Finding the Fourth Proportional to 22,255.56, 33,383.34 and 11,887.56

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Solution

The fourth proportional to 22,255.56, 33,383.34 and 11,887.56 is: 17,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.56 : 33,383.34 = 11,887.56 : x
  2. Step 2: Convert to fraction form
    22,255.56/33,383.34 = 11,887.56/x
  3. Step 3: Cross multiply
    22,255.56x = 33,383.34 × 11,887.56
  4. Step 4: Simplify right side
    22,255.56x = 396,846,457.25
  5. Step 5: Solve for x
    x = 396,846,457.25/22,255.56
  6. Step 6: Final answer
    x = 17,831.34

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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.