Home / 18,354.05-27,532.11-5,205.38

Finding the Fourth Proportional to 18,354.05, 27,532.11 and 5,205.38

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Solution

The fourth proportional to 18,354.05, 27,532.11 and 5,205.38 is: 7,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.05 : 27,532.11 = 5,205.38 : x
  2. Step 2: Convert to fraction form
    18,354.05/27,532.11 = 5,205.38/x
  3. Step 3: Cross multiply
    18,354.05x = 27,532.11 × 5,205.38
  4. Step 4: Simplify right side
    18,354.05x = 143,314,957.09
  5. Step 5: Solve for x
    x = 143,314,957.09/18,354.05
  6. Step 6: Final answer
    x = 7,808.36

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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.