Home / 15,902.96-21,944.79-8,829.23

Finding the Fourth Proportional to 15,902.96, 21,944.79 and 8,829.23

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Solution

The fourth proportional to 15,902.96, 21,944.79 and 8,829.23 is: 12,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.96 : 21,944.79 = 8,829.23 : x
  2. Step 2: Convert to fraction form
    15,902.96/21,944.79 = 8,829.23/x
  3. Step 3: Cross multiply
    15,902.96x = 21,944.79 × 8,829.23
  4. Step 4: Simplify right side
    15,902.96x = 193,755,488.49
  5. Step 5: Solve for x
    x = 193,755,488.49/15,902.96
  6. Step 6: Final answer
    x = 12,183.62

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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.