Home / 13,584.60-20,364.24-5,270.04

Finding the Fourth Proportional to 13,584.60, 20,364.24 and 5,270.04

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Solution

The fourth proportional to 13,584.60, 20,364.24 and 5,270.04 is: 7,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.60 : 20,364.24 = 5,270.04 : x
  2. Step 2: Convert to fraction form
    13,584.60/20,364.24 = 5,270.04/x
  3. Step 3: Cross multiply
    13,584.60x = 20,364.24 × 5,270.04
  4. Step 4: Simplify right side
    13,584.60x = 107,320,359.37
  5. Step 5: Solve for x
    x = 107,320,359.37/13,584.60
  6. Step 6: Final answer
    x = 7,900.15

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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.