Home / 13,956.21-20,936.88-4,596.78

Finding the Fourth Proportional to 13,956.21, 20,936.88 and 4,596.78

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Solution

The fourth proportional to 13,956.21, 20,936.88 and 4,596.78 is: 6,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.21 : 20,936.88 = 4,596.78 : x
  2. Step 2: Convert to fraction form
    13,956.21/20,936.88 = 4,596.78/x
  3. Step 3: Cross multiply
    13,956.21x = 20,936.88 × 4,596.78
  4. Step 4: Simplify right side
    13,956.21x = 96,242,231.25
  5. Step 5: Solve for x
    x = 96,242,231.25/13,956.21
  6. Step 6: Final answer
    x = 6,896.01

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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.