Home / 13,016.49-19,512.78-4,694.55

Finding the Fourth Proportional to 13,016.49, 19,512.78 and 4,694.55

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Solution

The fourth proportional to 13,016.49, 19,512.78 and 4,694.55 is: 7,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.49 : 19,512.78 = 4,694.55 : x
  2. Step 2: Convert to fraction form
    13,016.49/19,512.78 = 4,694.55/x
  3. Step 3: Cross multiply
    13,016.49x = 19,512.78 × 4,694.55
  4. Step 4: Simplify right side
    13,016.49x = 91,603,721.35
  5. Step 5: Solve for x
    x = 91,603,721.35/13,016.49
  6. Step 6: Final answer
    x = 7,037.51

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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.