Home / 22,692.26-31,339.23-20,218.52

Finding the Fourth Proportional to 22,692.26, 31,339.23 and 20,218.52

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Solution

The fourth proportional to 22,692.26, 31,339.23 and 20,218.52 is: 27,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.26 : 31,339.23 = 20,218.52 : x
  2. Step 2: Convert to fraction form
    22,692.26/31,339.23 = 20,218.52/x
  3. Step 3: Cross multiply
    22,692.26x = 31,339.23 × 20,218.52
  4. Step 4: Simplify right side
    22,692.26x = 633,632,848.54
  5. Step 5: Solve for x
    x = 633,632,848.54/22,692.26
  6. Step 6: Final answer
    x = 27,922.86

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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.