Home / 15,112.48-22,673.52-8,183.20

Finding the Fourth Proportional to 15,112.48, 22,673.52 and 8,183.20

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Solution

The fourth proportional to 15,112.48, 22,673.52 and 8,183.20 is: 12,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.48 : 22,673.52 = 8,183.20 : x
  2. Step 2: Convert to fraction form
    15,112.48/22,673.52 = 8,183.20/x
  3. Step 3: Cross multiply
    15,112.48x = 22,673.52 × 8,183.20
  4. Step 4: Simplify right side
    15,112.48x = 185,541,948.86
  5. Step 5: Solve for x
    x = 185,541,948.86/15,112.48
  6. Step 6: Final answer
    x = 12,277.40

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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.