Home / 12,953.92-19,408.56-10,198.24

Finding the Fourth Proportional to 12,953.92, 19,408.56 and 10,198.24

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Solution

The fourth proportional to 12,953.92, 19,408.56 and 10,198.24 is: 15,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.92 : 19,408.56 = 10,198.24 : x
  2. Step 2: Convert to fraction form
    12,953.92/19,408.56 = 10,198.24/x
  3. Step 3: Cross multiply
    12,953.92x = 19,408.56 × 10,198.24
  4. Step 4: Simplify right side
    12,953.92x = 197,933,152.93
  5. Step 5: Solve for x
    x = 197,933,152.93/12,953.92
  6. Step 6: Final answer
    x = 15,279.79

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1.5x scale

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.