Home / 18,579.94-25,640.10-10,082.02

Finding the Fourth Proportional to 18,579.94, 25,640.10 and 10,082.02

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Solution

The fourth proportional to 18,579.94, 25,640.10 and 10,082.02 is: 13,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.94 : 25,640.10 = 10,082.02 : x
  2. Step 2: Convert to fraction form
    18,579.94/25,640.10 = 10,082.02/x
  3. Step 3: Cross multiply
    18,579.94x = 25,640.10 × 10,082.02
  4. Step 4: Simplify right side
    18,579.94x = 258,504,001.00
  5. Step 5: Solve for x
    x = 258,504,001.00/18,579.94
  6. Step 6: Final answer
    x = 13,913.07

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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.