Home / 13,012.25-19,520.12-4,244.27

Finding the Fourth Proportional to 13,012.25, 19,520.12 and 4,244.27

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Solution

The fourth proportional to 13,012.25, 19,520.12 and 4,244.27 is: 6,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.25 : 19,520.12 = 4,244.27 : x
  2. Step 2: Convert to fraction form
    13,012.25/19,520.12 = 4,244.27/x
  3. Step 3: Cross multiply
    13,012.25x = 19,520.12 × 4,244.27
  4. Step 4: Simplify right side
    13,012.25x = 82,848,572.72
  5. Step 5: Solve for x
    x = 82,848,572.72/13,012.25
  6. Step 6: Final answer
    x = 6,366.97

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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.