Home / 15,183.02-20,952.60-8,469.08

Finding the Fourth Proportional to 15,183.02, 20,952.60 and 8,469.08

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Solution

The fourth proportional to 15,183.02, 20,952.60 and 8,469.08 is: 11,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.02 : 20,952.60 = 8,469.08 : x
  2. Step 2: Convert to fraction form
    15,183.02/20,952.60 = 8,469.08/x
  3. Step 3: Cross multiply
    15,183.02x = 20,952.60 × 8,469.08
  4. Step 4: Simplify right side
    15,183.02x = 177,449,219.42
  5. Step 5: Solve for x
    x = 177,449,219.42/15,183.02
  6. Step 6: Final answer
    x = 11,687.35

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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.