Home / 22,212.56-30,641.20-14,245.92

Finding the Fourth Proportional to 22,212.56, 30,641.20 and 14,245.92

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Solution

The fourth proportional to 22,212.56, 30,641.20 and 14,245.92 is: 19,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.56 : 30,641.20 = 14,245.92 : x
  2. Step 2: Convert to fraction form
    22,212.56/30,641.20 = 14,245.92/x
  3. Step 3: Cross multiply
    22,212.56x = 30,641.20 × 14,245.92
  4. Step 4: Simplify right side
    22,212.56x = 436,512,083.90
  5. Step 5: Solve for x
    x = 436,512,083.90/22,212.56
  6. Step 6: Final answer
    x = 19,651.59

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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.