Home / 15,182.92-22,777.06-5,185.33

Finding the Fourth Proportional to 15,182.92, 22,777.06 and 5,185.33

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Solution

The fourth proportional to 15,182.92, 22,777.06 and 5,185.33 is: 7,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.92 : 22,777.06 = 5,185.33 : x
  2. Step 2: Convert to fraction form
    15,182.92/22,777.06 = 5,185.33/x
  3. Step 3: Cross multiply
    15,182.92x = 22,777.06 × 5,185.33
  4. Step 4: Simplify right side
    15,182.92x = 118,106,458.64
  5. Step 5: Solve for x
    x = 118,106,458.64/15,182.92
  6. Step 6: Final answer
    x = 7,778.90

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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.