Home / 43,342.26-65,015.64-13,762.44

Finding the Fourth Proportional to 43,342.26, 65,015.64 and 13,762.44

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Solution

The fourth proportional to 43,342.26, 65,015.64 and 13,762.44 is: 20,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342.26 : 65,015.64 = 13,762.44 : x
  2. Step 2: Convert to fraction form
    43,342.26/65,015.64 = 13,762.44/x
  3. Step 3: Cross multiply
    43,342.26x = 65,015.64 × 13,762.44
  4. Step 4: Simplify right side
    43,342.26x = 894,773,844.56
  5. Step 5: Solve for x
    x = 894,773,844.56/43,342.26
  6. Step 6: Final answer
    x = 20,644.37

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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.