Home / 22,033.61-30,405.57-11,961.86

Finding the Fourth Proportional to 22,033.61, 30,405.57 and 11,961.86

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Solution

The fourth proportional to 22,033.61, 30,405.57 and 11,961.86 is: 16,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.61 : 30,405.57 = 11,961.86 : x
  2. Step 2: Convert to fraction form
    22,033.61/30,405.57 = 11,961.86/x
  3. Step 3: Cross multiply
    22,033.61x = 30,405.57 × 11,961.86
  4. Step 4: Simplify right side
    22,033.61x = 363,707,171.56
  5. Step 5: Solve for x
    x = 363,707,171.56/22,033.61
  6. Step 6: Final answer
    x = 16,506.93

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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.