Home / 18,577.01-27,872.63-11,186.75

Finding the Fourth Proportional to 18,577.01, 27,872.63 and 11,186.75

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Solution

The fourth proportional to 18,577.01, 27,872.63 and 11,186.75 is: 16,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.01 : 27,872.63 = 11,186.75 : x
  2. Step 2: Convert to fraction form
    18,577.01/27,872.63 = 11,186.75/x
  3. Step 3: Cross multiply
    18,577.01x = 27,872.63 × 11,186.75
  4. Step 4: Simplify right side
    18,577.01x = 311,804,143.65
  5. Step 5: Solve for x
    x = 311,804,143.65/18,577.01
  6. Step 6: Final answer
    x = 16,784.41

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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.