Home / 13,734.24-18,952.38-7,766.16

Finding the Fourth Proportional to 13,734.24, 18,952.38 and 7,766.16

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Solution

The fourth proportional to 13,734.24, 18,952.38 and 7,766.16 is: 10,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.24 : 18,952.38 = 7,766.16 : x
  2. Step 2: Convert to fraction form
    13,734.24/18,952.38 = 7,766.16/x
  3. Step 3: Cross multiply
    13,734.24x = 18,952.38 × 7,766.16
  4. Step 4: Simplify right side
    13,734.24x = 147,187,215.46
  5. Step 5: Solve for x
    x = 147,187,215.46/13,734.24
  6. Step 6: Final answer
    x = 10,716.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.