Home / 13,727.16-20,590.28-5,824.60

Finding the Fourth Proportional to 13,727.16, 20,590.28 and 5,824.60

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Solution

The fourth proportional to 13,727.16, 20,590.28 and 5,824.60 is: 8,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.16 : 20,590.28 = 5,824.60 : x
  2. Step 2: Convert to fraction form
    13,727.16/20,590.28 = 5,824.60/x
  3. Step 3: Cross multiply
    13,727.16x = 20,590.28 × 5,824.60
  4. Step 4: Simplify right side
    13,727.16x = 119,930,086.13
  5. Step 5: Solve for x
    x = 119,930,086.13/13,727.16
  6. Step 6: Final answer
    x = 8,736.70

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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.