Home / 16,731.69-23,091.19-9,179.48

Finding the Fourth Proportional to 16,731.69, 23,091.19 and 9,179.48

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Solution

The fourth proportional to 16,731.69, 23,091.19 and 9,179.48 is: 12,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.69 : 23,091.19 = 9,179.48 : x
  2. Step 2: Convert to fraction form
    16,731.69/23,091.19 = 9,179.48/x
  3. Step 3: Cross multiply
    16,731.69x = 23,091.19 × 9,179.48
  4. Step 4: Simplify right side
    16,731.69x = 211,965,034.58
  5. Step 5: Solve for x
    x = 211,965,034.58/16,731.69
  6. Step 6: Final answer
    x = 12,668.48

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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.