Home / 13,729.19-20,593.57-4,369.07

Finding the Fourth Proportional to 13,729.19, 20,593.57 and 4,369.07

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Solution

The fourth proportional to 13,729.19, 20,593.57 and 4,369.07 is: 6,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.19 : 20,593.57 = 4,369.07 : x
  2. Step 2: Convert to fraction form
    13,729.19/20,593.57 = 4,369.07/x
  3. Step 3: Cross multiply
    13,729.19x = 20,593.57 × 4,369.07
  4. Step 4: Simplify right side
    13,729.19x = 89,974,748.88
  5. Step 5: Solve for x
    x = 89,974,748.88/13,729.19
  6. Step 6: Final answer
    x = 6,553.54

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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.