Home / 13,388.28-20,083.40-4,027.53

Finding the Fourth Proportional to 13,388.28, 20,083.40 and 4,027.53

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Solution

The fourth proportional to 13,388.28, 20,083.40 and 4,027.53 is: 6,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.28 : 20,083.40 = 4,027.53 : x
  2. Step 2: Convert to fraction form
    13,388.28/20,083.40 = 4,027.53/x
  3. Step 3: Cross multiply
    13,388.28x = 20,083.40 × 4,027.53
  4. Step 4: Simplify right side
    13,388.28x = 80,886,496.00
  5. Step 5: Solve for x
    x = 80,886,496.00/13,388.28
  6. Step 6: Final answer
    x = 6,041.59

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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.