Home / 17,220.21-23,766.39-9,669.66

Finding the Fourth Proportional to 17,220.21, 23,766.39 and 9,669.66

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Solution

The fourth proportional to 17,220.21, 23,766.39 and 9,669.66 is: 13,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.21 : 23,766.39 = 9,669.66 : x
  2. Step 2: Convert to fraction form
    17,220.21/23,766.39 = 9,669.66/x
  3. Step 3: Cross multiply
    17,220.21x = 23,766.39 × 9,669.66
  4. Step 4: Simplify right side
    17,220.21x = 229,812,910.73
  5. Step 5: Solve for x
    x = 229,812,910.73/17,220.21
  6. Step 6: Final answer
    x = 13,345.53

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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.