Home / 16,691.74-23,034.43-9,137.99

Finding the Fourth Proportional to 16,691.74, 23,034.43 and 9,137.99

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Solution

The fourth proportional to 16,691.74, 23,034.43 and 9,137.99 is: 12,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.74 : 23,034.43 = 9,137.99 : x
  2. Step 2: Convert to fraction form
    16,691.74/23,034.43 = 9,137.99/x
  3. Step 3: Cross multiply
    16,691.74x = 23,034.43 × 9,137.99
  4. Step 4: Simplify right side
    16,691.74x = 210,488,391.00
  5. Step 5: Solve for x
    x = 210,488,391.00/16,691.74
  6. Step 6: Final answer
    x = 12,610.33

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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.