Home / 22,303.24-30,778.41-12,873.62

Finding the Fourth Proportional to 22,303.24, 30,778.41 and 12,873.62

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Solution

The fourth proportional to 22,303.24, 30,778.41 and 12,873.62 is: 17,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,303.24 : 30,778.41 = 12,873.62 : x
  2. Step 2: Convert to fraction form
    22,303.24/30,778.41 = 12,873.62/x
  3. Step 3: Cross multiply
    22,303.24x = 30,778.41 × 12,873.62
  4. Step 4: Simplify right side
    22,303.24x = 396,229,554.54
  5. Step 5: Solve for x
    x = 396,229,554.54/22,303.24
  6. Step 6: Final answer
    x = 17,765.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.