Home / 18,079.43-27,114.77-6,979.04

Finding the Fourth Proportional to 18,079.43, 27,114.77 and 6,979.04

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Solution

The fourth proportional to 18,079.43, 27,114.77 and 6,979.04 is: 10,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.43 : 27,114.77 = 6,979.04 : x
  2. Step 2: Convert to fraction form
    18,079.43/27,114.77 = 6,979.04/x
  3. Step 3: Cross multiply
    18,079.43x = 27,114.77 × 6,979.04
  4. Step 4: Simplify right side
    18,079.43x = 189,234,893.95
  5. Step 5: Solve for x
    x = 189,234,893.95/18,079.43
  6. Step 6: Final answer
    x = 10,466.86

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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.