Home / 13,625.25-18,798.51-8,245.97

Finding the Fourth Proportional to 13,625.25, 18,798.51 and 8,245.97

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Solution

The fourth proportional to 13,625.25, 18,798.51 and 8,245.97 is: 11,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.25 : 18,798.51 = 8,245.97 : x
  2. Step 2: Convert to fraction form
    13,625.25/18,798.51 = 8,245.97/x
  3. Step 3: Cross multiply
    13,625.25x = 18,798.51 × 8,245.97
  4. Step 4: Simplify right side
    13,625.25x = 155,011,910.55
  5. Step 5: Solve for x
    x = 155,011,910.55/13,625.25
  6. Step 6: Final answer
    x = 11,376.81

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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.