Home / 26,221.34-39,331.92-10,638.92

Finding the Fourth Proportional to 26,221.34, 39,331.92 and 10,638.92

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Solution

The fourth proportional to 26,221.34, 39,331.92 and 10,638.92 is: 15,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.34 : 39,331.92 = 10,638.92 : x
  2. Step 2: Convert to fraction form
    26,221.34/39,331.92 = 10,638.92/x
  3. Step 3: Cross multiply
    26,221.34x = 39,331.92 × 10,638.92
  4. Step 4: Simplify right side
    26,221.34x = 418,449,150.33
  5. Step 5: Solve for x
    x = 418,449,150.33/26,221.34
  6. Step 6: Final answer
    x = 15,958.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.