Home / 13,588.71-20,382.59-3,727.83

Finding the Fourth Proportional to 13,588.71, 20,382.59 and 3,727.83

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Solution

The fourth proportional to 13,588.71, 20,382.59 and 3,727.83 is: 5,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.71 : 20,382.59 = 3,727.83 : x
  2. Step 2: Convert to fraction form
    13,588.71/20,382.59 = 3,727.83/x
  3. Step 3: Cross multiply
    13,588.71x = 20,382.59 × 3,727.83
  4. Step 4: Simplify right side
    13,588.71x = 75,982,811.84
  5. Step 5: Solve for x
    x = 75,982,811.84/13,588.71
  6. Step 6: Final answer
    x = 5,591.61

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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.