Home / 22,278.22-30,744.09-12,207.58

Finding the Fourth Proportional to 22,278.22, 30,744.09 and 12,207.58

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Solution

The fourth proportional to 22,278.22, 30,744.09 and 12,207.58 is: 16,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.22 : 30,744.09 = 12,207.58 : x
  2. Step 2: Convert to fraction form
    22,278.22/30,744.09 = 12,207.58/x
  3. Step 3: Cross multiply
    22,278.22x = 30,744.09 × 12,207.58
  4. Step 4: Simplify right side
    22,278.22x = 375,310,938.20
  5. Step 5: Solve for x
    x = 375,310,938.20/22,278.22
  6. Step 6: Final answer
    x = 16,846.54

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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.