Home / 18,330.44-27,511.86-12,072.92

Finding the Fourth Proportional to 18,330.44, 27,511.86 and 12,072.92

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Solution

The fourth proportional to 18,330.44, 27,511.86 and 12,072.92 is: 18,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.44 : 27,511.86 = 12,072.92 : x
  2. Step 2: Convert to fraction form
    18,330.44/27,511.86 = 12,072.92/x
  3. Step 3: Cross multiply
    18,330.44x = 27,511.86 × 12,072.92
  4. Step 4: Simplify right side
    18,330.44x = 332,148,484.83
  5. Step 5: Solve for x
    x = 332,148,484.83/18,330.44
  6. Step 6: Final answer
    x = 18,120.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.