Home / 22,651.68-31,252.82-13,692.66

Finding the Fourth Proportional to 22,651.68, 31,252.82 and 13,692.66

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Solution

The fourth proportional to 22,651.68, 31,252.82 and 13,692.66 is: 18,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.68 : 31,252.82 = 13,692.66 : x
  2. Step 2: Convert to fraction form
    22,651.68/31,252.82 = 13,692.66/x
  3. Step 3: Cross multiply
    22,651.68x = 31,252.82 × 13,692.66
  4. Step 4: Simplify right side
    22,651.68x = 427,934,238.30
  5. Step 5: Solve for x
    x = 427,934,238.30/22,651.68
  6. Step 6: Final answer
    x = 18,891.94

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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.