Home / 16,691.06-23,033.72-9,137.46

Finding the Fourth Proportional to 16,691.06, 23,033.72 and 9,137.46

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Solution

The fourth proportional to 16,691.06, 23,033.72 and 9,137.46 is: 12,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.06 : 23,033.72 = 9,137.46 : x
  2. Step 2: Convert to fraction form
    16,691.06/23,033.72 = 9,137.46/x
  3. Step 3: Cross multiply
    16,691.06x = 23,033.72 × 9,137.46
  4. Step 4: Simplify right side
    16,691.06x = 210,469,623.41
  5. Step 5: Solve for x
    x = 210,469,623.41/16,691.06
  6. Step 6: Final answer
    x = 12,609.72

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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.