Home / 16,720.97-23,074.83-9,167.61

Finding the Fourth Proportional to 16,720.97, 23,074.83 and 9,167.61

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Solution

The fourth proportional to 16,720.97, 23,074.83 and 9,167.61 is: 12,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.97 : 23,074.83 = 9,167.61 : x
  2. Step 2: Convert to fraction form
    16,720.97/23,074.83 = 9,167.61/x
  3. Step 3: Cross multiply
    16,720.97x = 23,074.83 × 9,167.61
  4. Step 4: Simplify right side
    16,720.97x = 211,541,128.79
  5. Step 5: Solve for x
    x = 211,541,128.79/16,720.97
  6. Step 6: Final answer
    x = 12,651.25

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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.