Home / 22,396.32-30,906.26-12,187.02

Finding the Fourth Proportional to 22,396.32, 30,906.26 and 12,187.02

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Solution

The fourth proportional to 22,396.32, 30,906.26 and 12,187.02 is: 16,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,396.32 : 30,906.26 = 12,187.02 : x
  2. Step 2: Convert to fraction form
    22,396.32/30,906.26 = 12,187.02/x
  3. Step 3: Cross multiply
    22,396.32x = 30,906.26 × 12,187.02
  4. Step 4: Simplify right side
    22,396.32x = 376,655,208.75
  5. Step 5: Solve for x
    x = 376,655,208.75/22,396.32
  6. Step 6: Final answer
    x = 16,817.73

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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.