Home / 13,736.73-20,605.11-4,969.59

Finding the Fourth Proportional to 13,736.73, 20,605.11 and 4,969.59

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Solution

The fourth proportional to 13,736.73, 20,605.11 and 4,969.59 is: 7,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.73 : 20,605.11 = 4,969.59 : x
  2. Step 2: Convert to fraction form
    13,736.73/20,605.11 = 4,969.59/x
  3. Step 3: Cross multiply
    13,736.73x = 20,605.11 × 4,969.59
  4. Step 4: Simplify right side
    13,736.73x = 102,398,948.60
  5. Step 5: Solve for x
    x = 102,398,948.60/13,736.73
  6. Step 6: Final answer
    x = 7,454.39

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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.