Home / 16,721.22-23,074.80-9,167.16

Finding the Fourth Proportional to 16,721.22, 23,074.80 and 9,167.16

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Solution

The fourth proportional to 16,721.22, 23,074.80 and 9,167.16 is: 12,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.22 : 23,074.80 = 9,167.16 : x
  2. Step 2: Convert to fraction form
    16,721.22/23,074.80 = 9,167.16/x
  3. Step 3: Cross multiply
    16,721.22x = 23,074.80 × 9,167.16
  4. Step 4: Simplify right side
    16,721.22x = 211,530,383.57
  5. Step 5: Solve for x
    x = 211,530,383.57/16,721.22
  6. Step 6: Final answer
    x = 12,650.42

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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.