Home / 21,353.22-29,466.99-11,793.80

Finding the Fourth Proportional to 21,353.22, 29,466.99 and 11,793.80

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Solution

The fourth proportional to 21,353.22, 29,466.99 and 11,793.80 is: 16,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353.22 : 29,466.99 = 11,793.80 : x
  2. Step 2: Convert to fraction form
    21,353.22/29,466.99 = 11,793.80/x
  3. Step 3: Cross multiply
    21,353.22x = 29,466.99 × 11,793.80
  4. Step 4: Simplify right side
    21,353.22x = 347,527,860.33
  5. Step 5: Solve for x
    x = 347,527,860.33/21,353.22
  6. Step 6: Final answer
    x = 16,275.20

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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.