Home / 13,744.56-20,616.86-4,977.42

Finding the Fourth Proportional to 13,744.56, 20,616.86 and 4,977.42

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Solution

The fourth proportional to 13,744.56, 20,616.86 and 4,977.42 is: 7,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.56 : 20,616.86 = 4,977.42 : x
  2. Step 2: Convert to fraction form
    13,744.56/20,616.86 = 4,977.42/x
  3. Step 3: Cross multiply
    13,744.56x = 20,616.86 × 4,977.42
  4. Step 4: Simplify right side
    13,744.56x = 102,618,771.30
  5. Step 5: Solve for x
    x = 102,618,771.30/13,744.56
  6. Step 6: Final answer
    x = 7,466.14

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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.