Home / 16,656.82-22,947.32-11,611.86

Finding the Fourth Proportional to 16,656.82, 22,947.32 and 11,611.86

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Solution

The fourth proportional to 16,656.82, 22,947.32 and 11,611.86 is: 15,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.82 : 22,947.32 = 11,611.86 : x
  2. Step 2: Convert to fraction form
    16,656.82/22,947.32 = 11,611.86/x
  3. Step 3: Cross multiply
    16,656.82x = 22,947.32 × 11,611.86
  4. Step 4: Simplify right side
    16,656.82x = 266,461,067.22
  5. Step 5: Solve for x
    x = 266,461,067.22/16,656.82
  6. Step 6: Final answer
    x = 15,997.12

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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.