Home / 15,165.43-22,750.62-4,774.75

Finding the Fourth Proportional to 15,165.43, 22,750.62 and 4,774.75

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Solution

The fourth proportional to 15,165.43, 22,750.62 and 4,774.75 is: 7,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.43 : 22,750.62 = 4,774.75 : x
  2. Step 2: Convert to fraction form
    15,165.43/22,750.62 = 4,774.75/x
  3. Step 3: Cross multiply
    15,165.43x = 22,750.62 × 4,774.75
  4. Step 4: Simplify right side
    15,165.43x = 108,628,522.85
  5. Step 5: Solve for x
    x = 108,628,522.85/15,165.43
  6. Step 6: Final answer
    x = 7,162.90

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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.