Home / 13,583.30-18,736.52-8,867.48

Finding the Fourth Proportional to 13,583.30, 18,736.52 and 8,867.48

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Solution

The fourth proportional to 13,583.30, 18,736.52 and 8,867.48 is: 12,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.30 : 18,736.52 = 8,867.48 : x
  2. Step 2: Convert to fraction form
    13,583.30/18,736.52 = 8,867.48/x
  3. Step 3: Cross multiply
    13,583.30x = 18,736.52 × 8,867.48
  4. Step 4: Simplify right side
    13,583.30x = 166,145,578.35
  5. Step 5: Solve for x
    x = 166,145,578.35/13,583.30
  6. Step 6: Final answer
    x = 12,231.61

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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.