Home / 13,707.21-20,544.25-6,676.69

Finding the Fourth Proportional to 13,707.21, 20,544.25 and 6,676.69

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Solution

The fourth proportional to 13,707.21, 20,544.25 and 6,676.69 is: 10,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.21 : 20,544.25 = 6,676.69 : x
  2. Step 2: Convert to fraction form
    13,707.21/20,544.25 = 6,676.69/x
  3. Step 3: Cross multiply
    13,707.21x = 20,544.25 × 6,676.69
  4. Step 4: Simplify right side
    13,707.21x = 137,167,588.53
  5. Step 5: Solve for x
    x = 137,167,588.53/13,707.21
  6. Step 6: Final answer
    x = 10,006.97

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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.