Home / 12,935.14-19,404.73-4,170.94

Finding the Fourth Proportional to 12,935.14, 19,404.73 and 4,170.94

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Solution

The fourth proportional to 12,935.14, 19,404.73 and 4,170.94 is: 6,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.14 : 19,404.73 = 4,170.94 : x
  2. Step 2: Convert to fraction form
    12,935.14/19,404.73 = 4,170.94/x
  3. Step 3: Cross multiply
    12,935.14x = 19,404.73 × 4,170.94
  4. Step 4: Simplify right side
    12,935.14x = 80,935,867.52
  5. Step 5: Solve for x
    x = 80,935,867.52/12,935.14
  6. Step 6: Final answer
    x = 6,257.06

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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.