Home / 13,433.47-20,144.98-4,546.42

Finding the Fourth Proportional to 13,433.47, 20,144.98 and 4,546.42

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Solution

The fourth proportional to 13,433.47, 20,144.98 and 4,546.42 is: 6,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.47 : 20,144.98 = 4,546.42 : x
  2. Step 2: Convert to fraction form
    13,433.47/20,144.98 = 4,546.42/x
  3. Step 3: Cross multiply
    13,433.47x = 20,144.98 × 4,546.42
  4. Step 4: Simplify right side
    13,433.47x = 91,587,539.97
  5. Step 5: Solve for x
    x = 91,587,539.97/13,433.47
  6. Step 6: Final answer
    x = 6,817.86

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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.