Home / 20,252.24-27,948-11,299.21

Finding the Fourth Proportional to 20,252.24, 27,948 and 11,299.21

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Solution

The fourth proportional to 20,252.24, 27,948 and 11,299.21 is: 15,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.24 : 27,948 = 11,299.21 : x
  2. Step 2: Convert to fraction form
    20,252.24/27,948 = 11,299.21/x
  3. Step 3: Cross multiply
    20,252.24x = 27,948 × 11,299.21
  4. Step 4: Simplify right side
    20,252.24x = 315,790,321.08
  5. Step 5: Solve for x
    x = 315,790,321.08/20,252.24
  6. Step 6: Final answer
    x = 15,592.86

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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.