Home / 14,118.68-21,183.15-5,353.59

Finding the Fourth Proportional to 14,118.68, 21,183.15 and 5,353.59

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Solution

The fourth proportional to 14,118.68, 21,183.15 and 5,353.59 is: 8,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.68 : 21,183.15 = 5,353.59 : x
  2. Step 2: Convert to fraction form
    14,118.68/21,183.15 = 5,353.59/x
  3. Step 3: Cross multiply
    14,118.68x = 21,183.15 × 5,353.59
  4. Step 4: Simplify right side
    14,118.68x = 113,405,954.35
  5. Step 5: Solve for x
    x = 113,405,954.35/14,118.68
  6. Step 6: Final answer
    x = 8,032.33

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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.