Home / 15,353.82-23,022.53-4,821.90

Finding the Fourth Proportional to 15,353.82, 23,022.53 and 4,821.90

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Solution

The fourth proportional to 15,353.82, 23,022.53 and 4,821.90 is: 7,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.82 : 23,022.53 = 4,821.90 : x
  2. Step 2: Convert to fraction form
    15,353.82/23,022.53 = 4,821.90/x
  3. Step 3: Cross multiply
    15,353.82x = 23,022.53 × 4,821.90
  4. Step 4: Simplify right side
    15,353.82x = 111,012,245.05
  5. Step 5: Solve for x
    x = 111,012,245.05/15,353.82
  6. Step 6: Final answer
    x = 7,230.27

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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.