Home / 18,552.89-27,829.63-5,405.98

Finding the Fourth Proportional to 18,552.89, 27,829.63 and 5,405.98

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Solution

The fourth proportional to 18,552.89, 27,829.63 and 5,405.98 is: 8,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.89 : 27,829.63 = 5,405.98 : x
  2. Step 2: Convert to fraction form
    18,552.89/27,829.63 = 5,405.98/x
  3. Step 3: Cross multiply
    18,552.89x = 27,829.63 × 5,405.98
  4. Step 4: Simplify right side
    18,552.89x = 150,446,367.13
  5. Step 5: Solve for x
    x = 150,446,367.13/18,552.89
  6. Step 6: Final answer
    x = 8,109.06

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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.