Home / 13,582.32-18,724.50-11,183.94

Finding the Fourth Proportional to 13,582.32, 18,724.50 and 11,183.94

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Solution

The fourth proportional to 13,582.32, 18,724.50 and 11,183.94 is: 15,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.32 : 18,724.50 = 11,183.94 : x
  2. Step 2: Convert to fraction form
    13,582.32/18,724.50 = 11,183.94/x
  3. Step 3: Cross multiply
    13,582.32x = 18,724.50 × 11,183.94
  4. Step 4: Simplify right side
    13,582.32x = 209,413,684.53
  5. Step 5: Solve for x
    x = 209,413,684.53/13,582.32
  6. Step 6: Final answer
    x = 15,418.11

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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.