Home / 22,944.92-31,660.14-13,515.34

Finding the Fourth Proportional to 22,944.92, 31,660.14 and 13,515.34

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Solution

The fourth proportional to 22,944.92, 31,660.14 and 13,515.34 is: 18,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,944.92 : 31,660.14 = 13,515.34 : x
  2. Step 2: Convert to fraction form
    22,944.92/31,660.14 = 13,515.34/x
  3. Step 3: Cross multiply
    22,944.92x = 31,660.14 × 13,515.34
  4. Step 4: Simplify right side
    22,944.92x = 427,897,556.55
  5. Step 5: Solve for x
    x = 427,897,556.55/22,944.92
  6. Step 6: Final answer
    x = 18,648.90

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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.