Home / 13,736.74-20,605.10-4,969.60

Finding the Fourth Proportional to 13,736.74, 20,605.10 and 4,969.60

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Solution

The fourth proportional to 13,736.74, 20,605.10 and 4,969.60 is: 7,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.74 : 20,605.10 = 4,969.60 : x
  2. Step 2: Convert to fraction form
    13,736.74/20,605.10 = 4,969.60/x
  3. Step 3: Cross multiply
    13,736.74x = 20,605.10 × 4,969.60
  4. Step 4: Simplify right side
    13,736.74x = 102,399,104.96
  5. Step 5: Solve for x
    x = 102,399,104.96/13,736.74
  6. Step 6: Final answer
    x = 7,454.40

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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.