Home / 15,766.74-21,757.81-8,596.73

Finding the Fourth Proportional to 15,766.74, 21,757.81 and 8,596.73

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Solution

The fourth proportional to 15,766.74, 21,757.81 and 8,596.73 is: 11,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.74 : 21,757.81 = 8,596.73 : x
  2. Step 2: Convert to fraction form
    15,766.74/21,757.81 = 8,596.73/x
  3. Step 3: Cross multiply
    15,766.74x = 21,757.81 × 8,596.73
  4. Step 4: Simplify right side
    15,766.74x = 187,046,017.96
  5. Step 5: Solve for x
    x = 187,046,017.96/15,766.74
  6. Step 6: Final answer
    x = 11,863.33

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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.