Home / 16,725.03-23,081.13-9,171.38

Finding the Fourth Proportional to 16,725.03, 23,081.13 and 9,171.38

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Solution

The fourth proportional to 16,725.03, 23,081.13 and 9,171.38 is: 12,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.03 : 23,081.13 = 9,171.38 : x
  2. Step 2: Convert to fraction form
    16,725.03/23,081.13 = 9,171.38/x
  3. Step 3: Cross multiply
    16,725.03x = 23,081.13 × 9,171.38
  4. Step 4: Simplify right side
    16,725.03x = 211,685,716.14
  5. Step 5: Solve for x
    x = 211,685,716.14/16,725.03
  6. Step 6: Final answer
    x = 12,656.82

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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.