Home / 16,979.22-23,454.95-16,148.85

Finding the Fourth Proportional to 16,979.22, 23,454.95 and 16,148.85

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Solution

The fourth proportional to 16,979.22, 23,454.95 and 16,148.85 is: 22,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.22 : 23,454.95 = 16,148.85 : x
  2. Step 2: Convert to fraction form
    16,979.22/23,454.95 = 16,148.85/x
  3. Step 3: Cross multiply
    16,979.22x = 23,454.95 × 16,148.85
  4. Step 4: Simplify right side
    16,979.22x = 378,770,469.31
  5. Step 5: Solve for x
    x = 378,770,469.31/16,979.22
  6. Step 6: Final answer
    x = 22,307.88

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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.