Home / 14,408.34-21,610.75-3,879.19

Finding the Fourth Proportional to 14,408.34, 21,610.75 and 3,879.19

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Solution

The fourth proportional to 14,408.34, 21,610.75 and 3,879.19 is: 5,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.34 : 21,610.75 = 3,879.19 : x
  2. Step 2: Convert to fraction form
    14,408.34/21,610.75 = 3,879.19/x
  3. Step 3: Cross multiply
    14,408.34x = 21,610.75 × 3,879.19
  4. Step 4: Simplify right side
    14,408.34x = 83,832,229.88
  5. Step 5: Solve for x
    x = 83,832,229.88/14,408.34
  6. Step 6: Final answer
    x = 5,818.31

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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.