Home / 20,025.60-30,012.48-13,441.92

Finding the Fourth Proportional to 20,025.60, 30,012.48 and 13,441.92

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Solution

The fourth proportional to 20,025.60, 30,012.48 and 13,441.92 is: 20,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.60 : 30,012.48 = 13,441.92 : x
  2. Step 2: Convert to fraction form
    20,025.60/30,012.48 = 13,441.92/x
  3. Step 3: Cross multiply
    20,025.60x = 30,012.48 × 13,441.92
  4. Step 4: Simplify right side
    20,025.60x = 403,425,355.16
  5. Step 5: Solve for x
    x = 403,425,355.16/20,025.60
  6. Step 6: Final answer
    x = 20,145.48

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