Home / 16,725.36-23,081.25-9,172.38

Finding the Fourth Proportional to 16,725.36, 23,081.25 and 9,172.38

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Solution

The fourth proportional to 16,725.36, 23,081.25 and 9,172.38 is: 12,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.36 : 23,081.25 = 9,172.38 : x
  2. Step 2: Convert to fraction form
    16,725.36/23,081.25 = 9,172.38/x
  3. Step 3: Cross multiply
    16,725.36x = 23,081.25 × 9,172.38
  4. Step 4: Simplify right side
    16,725.36x = 211,709,995.88
  5. Step 5: Solve for x
    x = 211,709,995.88/16,725.36
  6. Step 6: Final answer
    x = 12,658.02

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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.