Home / 22,236.14-30,684.21-12,164.06

Finding the Fourth Proportional to 22,236.14, 30,684.21 and 12,164.06

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Solution

The fourth proportional to 22,236.14, 30,684.21 and 12,164.06 is: 16,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.14 : 30,684.21 = 12,164.06 : x
  2. Step 2: Convert to fraction form
    22,236.14/30,684.21 = 12,164.06/x
  3. Step 3: Cross multiply
    22,236.14x = 30,684.21 × 12,164.06
  4. Step 4: Simplify right side
    22,236.14x = 373,244,571.49
  5. Step 5: Solve for x
    x = 373,244,571.49/22,236.14
  6. Step 6: Final answer
    x = 16,785.49

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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.