Home / 13,747.24-20,601.66-6,814.76

Finding the Fourth Proportional to 13,747.24, 20,601.66 and 6,814.76

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Solution

The fourth proportional to 13,747.24, 20,601.66 and 6,814.76 is: 10,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.24 : 20,601.66 = 6,814.76 : x
  2. Step 2: Convert to fraction form
    13,747.24/20,601.66 = 6,814.76/x
  3. Step 3: Cross multiply
    13,747.24x = 20,601.66 × 6,814.76
  4. Step 4: Simplify right side
    13,747.24x = 140,395,368.50
  5. Step 5: Solve for x
    x = 140,395,368.50/13,747.24
  6. Step 6: Final answer
    x = 10,212.62

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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.