Home / 13,794.11-20,701.43-6,777.89

Finding the Fourth Proportional to 13,794.11, 20,701.43 and 6,777.89

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Solution

The fourth proportional to 13,794.11, 20,701.43 and 6,777.89 is: 10,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.11 : 20,701.43 = 6,777.89 : x
  2. Step 2: Convert to fraction form
    13,794.11/20,701.43 = 6,777.89/x
  3. Step 3: Cross multiply
    13,794.11x = 20,701.43 × 6,777.89
  4. Step 4: Simplify right side
    13,794.11x = 140,312,015.38
  5. Step 5: Solve for x
    x = 140,312,015.38/13,794.11
  6. Step 6: Final answer
    x = 10,171.88

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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.