Home / 15,198.24-20,974.32-8,484.48

Finding the Fourth Proportional to 15,198.24, 20,974.32 and 8,484.48

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Solution

The fourth proportional to 15,198.24, 20,974.32 and 8,484.48 is: 11,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.24 : 20,974.32 = 8,484.48 : x
  2. Step 2: Convert to fraction form
    15,198.24/20,974.32 = 8,484.48/x
  3. Step 3: Cross multiply
    15,198.24x = 20,974.32 × 8,484.48
  4. Step 4: Simplify right side
    15,198.24x = 177,956,198.55
  5. Step 5: Solve for x
    x = 177,956,198.55/15,198.24
  6. Step 6: Final answer
    x = 11,709.00

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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.