Home / 20,608.22-30,915.41-7,463.66

Finding the Fourth Proportional to 20,608.22, 30,915.41 and 7,463.66

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Solution

The fourth proportional to 20,608.22, 30,915.41 and 7,463.66 is: 11,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.22 : 30,915.41 = 7,463.66 : x
  2. Step 2: Convert to fraction form
    20,608.22/30,915.41 = 7,463.66/x
  3. Step 3: Cross multiply
    20,608.22x = 30,915.41 × 7,463.66
  4. Step 4: Simplify right side
    20,608.22x = 230,741,917.11
  5. Step 5: Solve for x
    x = 230,741,917.11/20,608.22
  6. Step 6: Final answer
    x = 11,196.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.