Home / 20,029.97-27,643.41-11,532.41

Finding the Fourth Proportional to 20,029.97, 27,643.41 and 11,532.41

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Solution

The fourth proportional to 20,029.97, 27,643.41 and 11,532.41 is: 15,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.97 : 27,643.41 = 11,532.41 : x
  2. Step 2: Convert to fraction form
    20,029.97/27,643.41 = 11,532.41/x
  3. Step 3: Cross multiply
    20,029.97x = 27,643.41 × 11,532.41
  4. Step 4: Simplify right side
    20,029.97x = 318,795,137.92
  5. Step 5: Solve for x
    x = 318,795,137.92/20,029.97
  6. Step 6: Final answer
    x = 15,915.91

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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.