Home / 15,084.98-22,628.62-3,991.38

Finding the Fourth Proportional to 15,084.98, 22,628.62 and 3,991.38

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Solution

The fourth proportional to 15,084.98, 22,628.62 and 3,991.38 is: 5,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084.98 : 22,628.62 = 3,991.38 : x
  2. Step 2: Convert to fraction form
    15,084.98/22,628.62 = 3,991.38/x
  3. Step 3: Cross multiply
    15,084.98x = 22,628.62 × 3,991.38
  4. Step 4: Simplify right side
    15,084.98x = 90,319,421.30
  5. Step 5: Solve for x
    x = 90,319,421.30/15,084.98
  6. Step 6: Final answer
    x = 5,987.37

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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.