Home / 18,611.06-25,687.32-11,447.14

Finding the Fourth Proportional to 18,611.06, 25,687.32 and 11,447.14

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Solution

The fourth proportional to 18,611.06, 25,687.32 and 11,447.14 is: 15,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.06 : 25,687.32 = 11,447.14 : x
  2. Step 2: Convert to fraction form
    18,611.06/25,687.32 = 11,447.14/x
  3. Step 3: Cross multiply
    18,611.06x = 25,687.32 × 11,447.14
  4. Step 4: Simplify right side
    18,611.06x = 294,046,255.43
  5. Step 5: Solve for x
    x = 294,046,255.43/18,611.06
  6. Step 6: Final answer
    x = 15,799.54

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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.