Home / 13,650.32-20,466.48-5,331.26

Finding the Fourth Proportional to 13,650.32, 20,466.48 and 5,331.26

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Solution

The fourth proportional to 13,650.32, 20,466.48 and 5,331.26 is: 7,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.32 : 20,466.48 = 5,331.26 : x
  2. Step 2: Convert to fraction form
    13,650.32/20,466.48 = 5,331.26/x
  3. Step 3: Cross multiply
    13,650.32x = 20,466.48 × 5,331.26
  4. Step 4: Simplify right side
    13,650.32x = 109,112,126.16
  5. Step 5: Solve for x
    x = 109,112,126.16/13,650.32
  6. Step 6: Final answer
    x = 7,993.37

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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.