Home / 17,736.70-26,568.60-12,196.30

Finding the Fourth Proportional to 17,736.70, 26,568.60 and 12,196.30

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Solution

The fourth proportional to 17,736.70, 26,568.60 and 12,196.30 is: 18,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.70 : 26,568.60 = 12,196.30 : x
  2. Step 2: Convert to fraction form
    17,736.70/26,568.60 = 12,196.30/x
  3. Step 3: Cross multiply
    17,736.70x = 26,568.60 × 12,196.30
  4. Step 4: Simplify right side
    17,736.70x = 324,038,616.18
  5. Step 5: Solve for x
    x = 324,038,616.18/17,736.70
  6. Step 6: Final answer
    x = 18,269.39

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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.