Home / 13,873.44-20,784.24-10,788.96

Finding the Fourth Proportional to 13,873.44, 20,784.24 and 10,788.96

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Solution

The fourth proportional to 13,873.44, 20,784.24 and 10,788.96 is: 16,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.44 : 20,784.24 = 10,788.96 : x
  2. Step 2: Convert to fraction form
    13,873.44/20,784.24 = 10,788.96/x
  3. Step 3: Cross multiply
    13,873.44x = 20,784.24 × 10,788.96
  4. Step 4: Simplify right side
    13,873.44x = 224,240,333.99
  5. Step 5: Solve for x
    x = 224,240,333.99/13,873.44
  6. Step 6: Final answer
    x = 16,163.28

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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.