Home / 16,698.39-23,042.77-9,144.73

Finding the Fourth Proportional to 16,698.39, 23,042.77 and 9,144.73

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Solution

The fourth proportional to 16,698.39, 23,042.77 and 9,144.73 is: 12,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.39 : 23,042.77 = 9,144.73 : x
  2. Step 2: Convert to fraction form
    16,698.39/23,042.77 = 9,144.73/x
  3. Step 3: Cross multiply
    16,698.39x = 23,042.77 × 9,144.73
  4. Step 4: Simplify right side
    16,698.39x = 210,719,910.10
  5. Step 5: Solve for x
    x = 210,719,910.10/16,698.39
  6. Step 6: Final answer
    x = 12,619.18

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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.