Home / 20,020.55-29,989.24-11,675.25

Finding the Fourth Proportional to 20,020.55, 29,989.24 and 11,675.25

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Solution

The fourth proportional to 20,020.55, 29,989.24 and 11,675.25 is: 17,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.55 : 29,989.24 = 11,675.25 : x
  2. Step 2: Convert to fraction form
    20,020.55/29,989.24 = 11,675.25/x
  3. Step 3: Cross multiply
    20,020.55x = 29,989.24 × 11,675.25
  4. Step 4: Simplify right side
    20,020.55x = 350,131,845.12
  5. Step 5: Solve for x
    x = 350,131,845.12/20,020.55
  6. Step 6: Final answer
    x = 17,488.63

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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.