Home / 22,193.08-30,625.50-12,121.36

Finding the Fourth Proportional to 22,193.08, 30,625.50 and 12,121.36

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Solution

The fourth proportional to 22,193.08, 30,625.50 and 12,121.36 is: 16,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.08 : 30,625.50 = 12,121.36 : x
  2. Step 2: Convert to fraction form
    22,193.08/30,625.50 = 12,121.36/x
  3. Step 3: Cross multiply
    22,193.08x = 30,625.50 × 12,121.36
  4. Step 4: Simplify right side
    22,193.08x = 371,222,710.68
  5. Step 5: Solve for x
    x = 371,222,710.68/22,193.08
  6. Step 6: Final answer
    x = 16,726.96

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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.