Home / 15,183.16-20,952.66-8,468.86

Finding the Fourth Proportional to 15,183.16, 20,952.66 and 8,468.86

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Solution

The fourth proportional to 15,183.16, 20,952.66 and 8,468.86 is: 11,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.16 : 20,952.66 = 8,468.86 : x
  2. Step 2: Convert to fraction form
    15,183.16/20,952.66 = 8,468.86/x
  3. Step 3: Cross multiply
    15,183.16x = 20,952.66 × 8,468.86
  4. Step 4: Simplify right side
    15,183.16x = 177,445,144.17
  5. Step 5: Solve for x
    x = 177,445,144.17/15,183.16
  6. Step 6: Final answer
    x = 11,686.97

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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.