Home / 12,183.84-18,283.05-11,192.40

Finding the Fourth Proportional to 12,183.84, 18,283.05 and 11,192.40

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Solution

The fourth proportional to 12,183.84, 18,283.05 and 11,192.40 is: 16,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.84 : 18,283.05 = 11,192.40 : x
  2. Step 2: Convert to fraction form
    12,183.84/18,283.05 = 11,192.40/x
  3. Step 3: Cross multiply
    12,183.84x = 18,283.05 × 11,192.40
  4. Step 4: Simplify right side
    12,183.84x = 204,631,208.82
  5. Step 5: Solve for x
    x = 204,631,208.82/12,183.84
  6. Step 6: Final answer
    x = 16,795.30

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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.