Home / 16,229.30-22,396.50-9,515.03

Finding the Fourth Proportional to 16,229.30, 22,396.50 and 9,515.03

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Solution

The fourth proportional to 16,229.30, 22,396.50 and 9,515.03 is: 13,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,229.30 : 22,396.50 = 9,515.03 : x
  2. Step 2: Convert to fraction form
    16,229.30/22,396.50 = 9,515.03/x
  3. Step 3: Cross multiply
    16,229.30x = 22,396.50 × 9,515.03
  4. Step 4: Simplify right side
    16,229.30x = 213,103,257.41
  5. Step 5: Solve for x
    x = 213,103,257.41/16,229.30
  6. Step 6: Final answer
    x = 13,130.78

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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.