Home / 26,134.36-36,040.82-20,156.56

Finding the Fourth Proportional to 26,134.36, 36,040.82 and 20,156.56

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Solution

The fourth proportional to 26,134.36, 36,040.82 and 20,156.56 is: 27,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,134.36 : 36,040.82 = 20,156.56 : x
  2. Step 2: Convert to fraction form
    26,134.36/36,040.82 = 20,156.56/x
  3. Step 3: Cross multiply
    26,134.36x = 36,040.82 × 20,156.56
  4. Step 4: Simplify right side
    26,134.36x = 726,458,950.78
  5. Step 5: Solve for x
    x = 726,458,950.78/26,134.36
  6. Step 6: Final answer
    x = 27,797.08

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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.