Home / 22,493.72-31,045.13-13,067.75

Finding the Fourth Proportional to 22,493.72, 31,045.13 and 13,067.75

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Solution

The fourth proportional to 22,493.72, 31,045.13 and 13,067.75 is: 18,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.72 : 31,045.13 = 13,067.75 : x
  2. Step 2: Convert to fraction form
    22,493.72/31,045.13 = 13,067.75/x
  3. Step 3: Cross multiply
    22,493.72x = 31,045.13 × 13,067.75
  4. Step 4: Simplify right side
    22,493.72x = 405,689,776.99
  5. Step 5: Solve for x
    x = 405,689,776.99/22,493.72
  6. Step 6: Final answer
    x = 18,035.69

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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.