Home / 16,180.40-22,183.32-15,885.14

Finding the Fourth Proportional to 16,180.40, 22,183.32 and 15,885.14

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Solution

The fourth proportional to 16,180.40, 22,183.32 and 15,885.14 is: 21,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,180.40 : 22,183.32 = 15,885.14 : x
  2. Step 2: Convert to fraction form
    16,180.40/22,183.32 = 15,885.14/x
  3. Step 3: Cross multiply
    16,180.40x = 22,183.32 × 15,885.14
  4. Step 4: Simplify right side
    16,180.40x = 352,385,143.86
  5. Step 5: Solve for x
    x = 352,385,143.86/16,180.40
  6. Step 6: Final answer
    x = 21,778.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.