Home / 21,224.53-29,290.82-11,793.09

Finding the Fourth Proportional to 21,224.53, 29,290.82 and 11,793.09

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Solution

The fourth proportional to 21,224.53, 29,290.82 and 11,793.09 is: 16,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.53 : 29,290.82 = 11,793.09 : x
  2. Step 2: Convert to fraction form
    21,224.53/29,290.82 = 11,793.09/x
  3. Step 3: Cross multiply
    21,224.53x = 29,290.82 × 11,793.09
  4. Step 4: Simplify right side
    21,224.53x = 345,429,327.31
  5. Step 5: Solve for x
    x = 345,429,327.31/21,224.53
  6. Step 6: Final answer
    x = 16,275.00

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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.