Home / 15,208.80-22,815.38-4,679.70

Finding the Fourth Proportional to 15,208.80, 22,815.38 and 4,679.70

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Solution

The fourth proportional to 15,208.80, 22,815.38 and 4,679.70 is: 7,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.80 : 22,815.38 = 4,679.70 : x
  2. Step 2: Convert to fraction form
    15,208.80/22,815.38 = 4,679.70/x
  3. Step 3: Cross multiply
    15,208.80x = 22,815.38 × 4,679.70
  4. Step 4: Simplify right side
    15,208.80x = 106,769,110.39
  5. Step 5: Solve for x
    x = 106,769,110.39/15,208.80
  6. Step 6: Final answer
    x = 7,020.22

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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.