Home / 13,568.96-18,724.94-7,600.61

Finding the Fourth Proportional to 13,568.96, 18,724.94 and 7,600.61

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Solution

The fourth proportional to 13,568.96, 18,724.94 and 7,600.61 is: 10,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.96 : 18,724.94 = 7,600.61 : x
  2. Step 2: Convert to fraction form
    13,568.96/18,724.94 = 7,600.61/x
  3. Step 3: Cross multiply
    13,568.96x = 18,724.94 × 7,600.61
  4. Step 4: Simplify right side
    13,568.96x = 142,321,032.03
  5. Step 5: Solve for x
    x = 142,321,032.03/13,568.96
  6. Step 6: Final answer
    x = 10,488.72

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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.