Home / 13,734.71-20,605.18-4,969.62

Finding the Fourth Proportional to 13,734.71, 20,605.18 and 4,969.62

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Solution

The fourth proportional to 13,734.71, 20,605.18 and 4,969.62 is: 7,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.71 : 20,605.18 = 4,969.62 : x
  2. Step 2: Convert to fraction form
    13,734.71/20,605.18 = 4,969.62/x
  3. Step 3: Cross multiply
    13,734.71x = 20,605.18 × 4,969.62
  4. Step 4: Simplify right side
    13,734.71x = 102,399,979.48
  5. Step 5: Solve for x
    x = 102,399,979.48/13,734.71
  6. Step 6: Final answer
    x = 7,455.56

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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.