Home / 14,151.72-19,530.90-8,183.28

Finding the Fourth Proportional to 14,151.72, 19,530.90 and 8,183.28

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Solution

The fourth proportional to 14,151.72, 19,530.90 and 8,183.28 is: 11,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.72 : 19,530.90 = 8,183.28 : x
  2. Step 2: Convert to fraction form
    14,151.72/19,530.90 = 8,183.28/x
  3. Step 3: Cross multiply
    14,151.72x = 19,530.90 × 8,183.28
  4. Step 4: Simplify right side
    14,151.72x = 159,826,823.35
  5. Step 5: Solve for x
    x = 159,826,823.35/14,151.72
  6. Step 6: Final answer
    x = 11,293.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.