Home / 13,229.21-19,844.27-6,651.81

Finding the Fourth Proportional to 13,229.21, 19,844.27 and 6,651.81

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Solution

The fourth proportional to 13,229.21, 19,844.27 and 6,651.81 is: 9,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.21 : 19,844.27 = 6,651.81 : x
  2. Step 2: Convert to fraction form
    13,229.21/19,844.27 = 6,651.81/x
  3. Step 3: Cross multiply
    13,229.21x = 19,844.27 × 6,651.81
  4. Step 4: Simplify right side
    13,229.21x = 132,000,313.63
  5. Step 5: Solve for x
    x = 132,000,313.63/13,229.21
  6. Step 6: Final answer
    x = 9,977.94

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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.