Home / 21,778.26-32,672.80-6,195.76

Finding the Fourth Proportional to 21,778.26, 32,672.80 and 6,195.76

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Solution

The fourth proportional to 21,778.26, 32,672.80 and 6,195.76 is: 9,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778.26 : 32,672.80 = 6,195.76 : x
  2. Step 2: Convert to fraction form
    21,778.26/32,672.80 = 6,195.76/x
  3. Step 3: Cross multiply
    21,778.26x = 32,672.80 × 6,195.76
  4. Step 4: Simplify right side
    21,778.26x = 202,432,827.33
  5. Step 5: Solve for x
    x = 202,432,827.33/21,778.26
  6. Step 6: Final answer
    x = 9,295.18

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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.