Home / 13,418.56-20,125.32-6,021.64

Finding the Fourth Proportional to 13,418.56, 20,125.32 and 6,021.64

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Solution

The fourth proportional to 13,418.56, 20,125.32 and 6,021.64 is: 9,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.56 : 20,125.32 = 6,021.64 : x
  2. Step 2: Convert to fraction form
    13,418.56/20,125.32 = 6,021.64/x
  3. Step 3: Cross multiply
    13,418.56x = 20,125.32 × 6,021.64
  4. Step 4: Simplify right side
    13,418.56x = 121,187,431.92
  5. Step 5: Solve for x
    x = 121,187,431.92/13,418.56
  6. Step 6: Final answer
    x = 9,031.33

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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.