Home / 17,149.62-23,653.77-12,108.60

Finding the Fourth Proportional to 17,149.62, 23,653.77 and 12,108.60

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Solution

The fourth proportional to 17,149.62, 23,653.77 and 12,108.60 is: 16,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.62 : 23,653.77 = 12,108.60 : x
  2. Step 2: Convert to fraction form
    17,149.62/23,653.77 = 12,108.60/x
  3. Step 3: Cross multiply
    17,149.62x = 23,653.77 × 12,108.60
  4. Step 4: Simplify right side
    17,149.62x = 286,414,039.42
  5. Step 5: Solve for x
    x = 286,414,039.42/17,149.62
  6. Step 6: Final answer
    x = 16,700.90

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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.