Home / 16,961.55-23,425.25-13,229.07

Finding the Fourth Proportional to 16,961.55, 23,425.25 and 13,229.07

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Solution

The fourth proportional to 16,961.55, 23,425.25 and 13,229.07 is: 18,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.55 : 23,425.25 = 13,229.07 : x
  2. Step 2: Convert to fraction form
    16,961.55/23,425.25 = 13,229.07/x
  3. Step 3: Cross multiply
    16,961.55x = 23,425.25 × 13,229.07
  4. Step 4: Simplify right side
    16,961.55x = 309,894,205.87
  5. Step 5: Solve for x
    x = 309,894,205.87/16,961.55
  6. Step 6: Final answer
    x = 18,270.39

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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.