Home / 14,183.96-21,273.18-5,416.79

Finding the Fourth Proportional to 14,183.96, 21,273.18 and 5,416.79

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Solution

The fourth proportional to 14,183.96, 21,273.18 and 5,416.79 is: 8,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.96 : 21,273.18 = 5,416.79 : x
  2. Step 2: Convert to fraction form
    14,183.96/21,273.18 = 5,416.79/x
  3. Step 3: Cross multiply
    14,183.96x = 21,273.18 × 5,416.79
  4. Step 4: Simplify right side
    14,183.96x = 115,232,348.69
  5. Step 5: Solve for x
    x = 115,232,348.69/14,183.96
  6. Step 6: Final answer
    x = 8,124.13

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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.