Home / 15,772.33-21,728.68-13,073.41

Finding the Fourth Proportional to 15,772.33, 21,728.68 and 13,073.41

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Solution

The fourth proportional to 15,772.33, 21,728.68 and 13,073.41 is: 18,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.33 : 21,728.68 = 13,073.41 : x
  2. Step 2: Convert to fraction form
    15,772.33/21,728.68 = 13,073.41/x
  3. Step 3: Cross multiply
    15,772.33x = 21,728.68 × 13,073.41
  4. Step 4: Simplify right side
    15,772.33x = 284,067,942.40
  5. Step 5: Solve for x
    x = 284,067,942.40/15,772.33
  6. Step 6: Final answer
    x = 18,010.52

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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.