Home / 20,025.60-29,997.37-11,242.09

Finding the Fourth Proportional to 20,025.60, 29,997.37 and 11,242.09

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Solution

The fourth proportional to 20,025.60, 29,997.37 and 11,242.09 is: 16,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.60 : 29,997.37 = 11,242.09 : x
  2. Step 2: Convert to fraction form
    20,025.60/29,997.37 = 11,242.09/x
  3. Step 3: Cross multiply
    20,025.60x = 29,997.37 × 11,242.09
  4. Step 4: Simplify right side
    20,025.60x = 337,233,133.30
  5. Step 5: Solve for x
    x = 337,233,133.30/20,025.60
  6. Step 6: Final answer
    x = 16,840.10

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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.