Home / 13,723.28-20,584.44-5,820.71

Finding the Fourth Proportional to 13,723.28, 20,584.44 and 5,820.71

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Solution

The fourth proportional to 13,723.28, 20,584.44 and 5,820.71 is: 8,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.28 : 20,584.44 = 5,820.71 : x
  2. Step 2: Convert to fraction form
    13,723.28/20,584.44 = 5,820.71/x
  3. Step 3: Cross multiply
    13,723.28x = 20,584.44 × 5,820.71
  4. Step 4: Simplify right side
    13,723.28x = 119,816,055.75
  5. Step 5: Solve for x
    x = 119,816,055.75/13,723.28
  6. Step 6: Final answer
    x = 8,730.86

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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.