Home / 13,548.33-20,327.36-5,757.75

Finding the Fourth Proportional to 13,548.33, 20,327.36 and 5,757.75

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Solution

The fourth proportional to 13,548.33, 20,327.36 and 5,757.75 is: 8,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.33 : 20,327.36 = 5,757.75 : x
  2. Step 2: Convert to fraction form
    13,548.33/20,327.36 = 5,757.75/x
  3. Step 3: Cross multiply
    13,548.33x = 20,327.36 × 5,757.75
  4. Step 4: Simplify right side
    13,548.33x = 117,039,828.25
  5. Step 5: Solve for x
    x = 117,039,828.25/13,548.33
  6. Step 6: Final answer
    x = 8,638.69

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1.5x scale

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.