Home / 15,670.11-21,625.73-8,596.54

Finding the Fourth Proportional to 15,670.11, 21,625.73 and 8,596.54

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Solution

The fourth proportional to 15,670.11, 21,625.73 and 8,596.54 is: 11,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.11 : 21,625.73 = 8,596.54 : x
  2. Step 2: Convert to fraction form
    15,670.11/21,625.73 = 8,596.54/x
  3. Step 3: Cross multiply
    15,670.11x = 21,625.73 × 8,596.54
  4. Step 4: Simplify right side
    15,670.11x = 185,906,452.97
  5. Step 5: Solve for x
    x = 185,906,452.97/15,670.11
  6. Step 6: Final answer
    x = 11,863.76

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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.