Home / 26,139.70-39,202.26-10,553.68

Finding the Fourth Proportional to 26,139.70, 39,202.26 and 10,553.68

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Solution

The fourth proportional to 26,139.70, 39,202.26 and 10,553.68 is: 15,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.70 : 39,202.26 = 10,553.68 : x
  2. Step 2: Convert to fraction form
    26,139.70/39,202.26 = 10,553.68/x
  3. Step 3: Cross multiply
    26,139.70x = 39,202.26 × 10,553.68
  4. Step 4: Simplify right side
    26,139.70x = 413,728,107.32
  5. Step 5: Solve for x
    x = 413,728,107.32/26,139.70
  6. Step 6: Final answer
    x = 15,827.58

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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.