Home / 22,736.32-31,371.36-13,175.64

Finding the Fourth Proportional to 22,736.32, 31,371.36 and 13,175.64

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Solution

The fourth proportional to 22,736.32, 31,371.36 and 13,175.64 is: 18,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.32 : 31,371.36 = 13,175.64 : x
  2. Step 2: Convert to fraction form
    22,736.32/31,371.36 = 13,175.64/x
  3. Step 3: Cross multiply
    22,736.32x = 31,371.36 × 13,175.64
  4. Step 4: Simplify right side
    22,736.32x = 413,337,745.67
  5. Step 5: Solve for x
    x = 413,337,745.67/22,736.32
  6. Step 6: Final answer
    x = 18,179.62

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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.