Home / 13,169.70-19,755.09-4,410.90

Finding the Fourth Proportional to 13,169.70, 19,755.09 and 4,410.90

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Solution

The fourth proportional to 13,169.70, 19,755.09 and 4,410.90 is: 6,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.70 : 19,755.09 = 4,410.90 : x
  2. Step 2: Convert to fraction form
    13,169.70/19,755.09 = 4,410.90/x
  3. Step 3: Cross multiply
    13,169.70x = 19,755.09 × 4,410.90
  4. Step 4: Simplify right side
    13,169.70x = 87,137,726.48
  5. Step 5: Solve for x
    x = 87,137,726.48/13,169.70
  6. Step 6: Final answer
    x = 6,616.53

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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.