Home / 13,600.56-18,766.43-7,935.62

Finding the Fourth Proportional to 13,600.56, 18,766.43 and 7,935.62

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Solution

The fourth proportional to 13,600.56, 18,766.43 and 7,935.62 is: 10,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.56 : 18,766.43 = 7,935.62 : x
  2. Step 2: Convert to fraction form
    13,600.56/18,766.43 = 7,935.62/x
  3. Step 3: Cross multiply
    13,600.56x = 18,766.43 × 7,935.62
  4. Step 4: Simplify right side
    13,600.56x = 148,923,303.68
  5. Step 5: Solve for x
    x = 148,923,303.68/13,600.56
  6. Step 6: Final answer
    x = 10,949.79

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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.