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Finding the Fourth Proportional to 22,224, 30,667.86 and 12,150.57

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Solution

The fourth proportional to 22,224, 30,667.86 and 12,150.57 is: 16,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224 : 30,667.86 = 12,150.57 : x
  2. Step 2: Convert to fraction form
    22,224/30,667.86 = 12,150.57/x
  3. Step 3: Cross multiply
    22,224x = 30,667.86 × 12,150.57
  4. Step 4: Simplify right side
    22,224x = 372,631,979.68
  5. Step 5: Solve for x
    x = 372,631,979.68/22,224
  6. Step 6: Final answer
    x = 16,767.10

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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.