Home / 18,566.54-27,849.35-5,419.03

Finding the Fourth Proportional to 18,566.54, 27,849.35 and 5,419.03

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Solution

The fourth proportional to 18,566.54, 27,849.35 and 5,419.03 is: 8,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.54 : 27,849.35 = 5,419.03 : x
  2. Step 2: Convert to fraction form
    18,566.54/27,849.35 = 5,419.03/x
  3. Step 3: Cross multiply
    18,566.54x = 27,849.35 × 5,419.03
  4. Step 4: Simplify right side
    18,566.54x = 150,916,459.27
  5. Step 5: Solve for x
    x = 150,916,459.27/18,566.54
  6. Step 6: Final answer
    x = 8,128.41

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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.