Home / 15,375.81-23,066.96-4,986.75

Finding the Fourth Proportional to 15,375.81, 23,066.96 and 4,986.75

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Solution

The fourth proportional to 15,375.81, 23,066.96 and 4,986.75 is: 7,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.81 : 23,066.96 = 4,986.75 : x
  2. Step 2: Convert to fraction form
    15,375.81/23,066.96 = 4,986.75/x
  3. Step 3: Cross multiply
    15,375.81x = 23,066.96 × 4,986.75
  4. Step 4: Simplify right side
    15,375.81x = 115,029,137.85
  5. Step 5: Solve for x
    x = 115,029,137.85/15,375.81
  6. Step 6: Final answer
    x = 7,481.18

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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.