Home / 20,024.72-27,634.92-11,072.24

Finding the Fourth Proportional to 20,024.72, 27,634.92 and 11,072.24

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Solution

The fourth proportional to 20,024.72, 27,634.92 and 11,072.24 is: 15,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.72 : 27,634.92 = 11,072.24 : x
  2. Step 2: Convert to fraction form
    20,024.72/27,634.92 = 11,072.24/x
  3. Step 3: Cross multiply
    20,024.72x = 27,634.92 × 11,072.24
  4. Step 4: Simplify right side
    20,024.72x = 305,980,466.62
  5. Step 5: Solve for x
    x = 305,980,466.62/20,024.72
  6. Step 6: Final answer
    x = 15,280.14

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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.