Home / 13,588.36-20,382.56-3,727.24

Finding the Fourth Proportional to 13,588.36, 20,382.56 and 3,727.24

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Solution

The fourth proportional to 13,588.36, 20,382.56 and 3,727.24 is: 5,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.36 : 20,382.56 = 3,727.24 : x
  2. Step 2: Convert to fraction form
    13,588.36/20,382.56 = 3,727.24/x
  3. Step 3: Cross multiply
    13,588.36x = 20,382.56 × 3,727.24
  4. Step 4: Simplify right side
    13,588.36x = 75,970,692.93
  5. Step 5: Solve for x
    x = 75,970,692.93/13,588.36
  6. Step 6: Final answer
    x = 5,590.87

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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.