Home / 22,182.15-30,611.14-12,110.56

Finding the Fourth Proportional to 22,182.15, 30,611.14 and 12,110.56

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Solution

The fourth proportional to 22,182.15, 30,611.14 and 12,110.56 is: 16,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.15 : 30,611.14 = 12,110.56 : x
  2. Step 2: Convert to fraction form
    22,182.15/30,611.14 = 12,110.56/x
  3. Step 3: Cross multiply
    22,182.15x = 30,611.14 × 12,110.56
  4. Step 4: Simplify right side
    22,182.15x = 370,718,147.08
  5. Step 5: Solve for x
    x = 370,718,147.08/22,182.15
  6. Step 6: Final answer
    x = 16,712.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.