Home / 13,224.94-18,244.65-8,187.82

Finding the Fourth Proportional to 13,224.94, 18,244.65 and 8,187.82

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Solution

The fourth proportional to 13,224.94, 18,244.65 and 8,187.82 is: 11,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.94 : 18,244.65 = 8,187.82 : x
  2. Step 2: Convert to fraction form
    13,224.94/18,244.65 = 8,187.82/x
  3. Step 3: Cross multiply
    13,224.94x = 18,244.65 × 8,187.82
  4. Step 4: Simplify right side
    13,224.94x = 149,383,910.16
  5. Step 5: Solve for x
    x = 149,383,910.16/13,224.94
  6. Step 6: Final answer
    x = 11,295.62

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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.