Home / 13,195.60-19,786.20-5,395.60

Finding the Fourth Proportional to 13,195.60, 19,786.20 and 5,395.60

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Solution

The fourth proportional to 13,195.60, 19,786.20 and 5,395.60 is: 8,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.60 : 19,786.20 = 5,395.60 : x
  2. Step 2: Convert to fraction form
    13,195.60/19,786.20 = 5,395.60/x
  3. Step 3: Cross multiply
    13,195.60x = 19,786.20 × 5,395.60
  4. Step 4: Simplify right side
    13,195.60x = 106,758,420.72
  5. Step 5: Solve for x
    x = 106,758,420.72/13,195.60
  6. Step 6: Final answer
    x = 8,090.46

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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.