Home / 20,007.30-29,996.55-11,244.90

Finding the Fourth Proportional to 20,007.30, 29,996.55 and 11,244.90

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Solution

The fourth proportional to 20,007.30, 29,996.55 and 11,244.90 is: 16,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.30 : 29,996.55 = 11,244.90 : x
  2. Step 2: Convert to fraction form
    20,007.30/29,996.55 = 11,244.90/x
  3. Step 3: Cross multiply
    20,007.30x = 29,996.55 × 11,244.90
  4. Step 4: Simplify right side
    20,007.30x = 337,308,205.10
  5. Step 5: Solve for x
    x = 337,308,205.10/20,007.30
  6. Step 6: Final answer
    x = 16,859.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.