Home / 27,181.94-37,512.34-16,979.02

Finding the Fourth Proportional to 27,181.94, 37,512.34 and 16,979.02

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Solution

The fourth proportional to 27,181.94, 37,512.34 and 16,979.02 is: 23,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.94 : 37,512.34 = 16,979.02 : x
  2. Step 2: Convert to fraction form
    27,181.94/37,512.34 = 16,979.02/x
  3. Step 3: Cross multiply
    27,181.94x = 37,512.34 × 16,979.02
  4. Step 4: Simplify right side
    27,181.94x = 636,922,583.55
  5. Step 5: Solve for x
    x = 636,922,583.55/27,181.94
  6. Step 6: Final answer
    x = 23,431.83

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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.