Home / 15,208.85-22,815.45-4,679.75

Finding the Fourth Proportional to 15,208.85, 22,815.45 and 4,679.75

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Solution

The fourth proportional to 15,208.85, 22,815.45 and 4,679.75 is: 7,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.85 : 22,815.45 = 4,679.75 : x
  2. Step 2: Convert to fraction form
    15,208.85/22,815.45 = 4,679.75/x
  3. Step 3: Cross multiply
    15,208.85x = 22,815.45 × 4,679.75
  4. Step 4: Simplify right side
    15,208.85x = 106,770,659.18
  5. Step 5: Solve for x
    x = 106,770,659.18/15,208.85
  6. Step 6: Final answer
    x = 7,020.30

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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.