Home / 13,255.25-18,272.99-9,263.97

Finding the Fourth Proportional to 13,255.25, 18,272.99 and 9,263.97

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Solution

The fourth proportional to 13,255.25, 18,272.99 and 9,263.97 is: 12,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.25 : 18,272.99 = 9,263.97 : x
  2. Step 2: Convert to fraction form
    13,255.25/18,272.99 = 9,263.97/x
  3. Step 3: Cross multiply
    13,255.25x = 18,272.99 × 9,263.97
  4. Step 4: Simplify right side
    13,255.25x = 169,280,454.33
  5. Step 5: Solve for x
    x = 169,280,454.33/13,255.25
  6. Step 6: Final answer
    x = 12,770.83

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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.