Home / 16,516.75-22,781.33-11,663.66

Finding the Fourth Proportional to 16,516.75, 22,781.33 and 11,663.66

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Solution

The fourth proportional to 16,516.75, 22,781.33 and 11,663.66 is: 16,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.75 : 22,781.33 = 11,663.66 : x
  2. Step 2: Convert to fraction form
    16,516.75/22,781.33 = 11,663.66/x
  3. Step 3: Cross multiply
    16,516.75x = 22,781.33 × 11,663.66
  4. Step 4: Simplify right side
    16,516.75x = 265,713,600.93
  5. Step 5: Solve for x
    x = 265,713,600.93/16,516.75
  6. Step 6: Final answer
    x = 16,087.53

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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.