Home / 13,196.45-19,794.69-3,962.45

Finding the Fourth Proportional to 13,196.45, 19,794.69 and 3,962.45

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Solution

The fourth proportional to 13,196.45, 19,794.69 and 3,962.45 is: 5,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.45 : 19,794.69 = 3,962.45 : x
  2. Step 2: Convert to fraction form
    13,196.45/19,794.69 = 3,962.45/x
  3. Step 3: Cross multiply
    13,196.45x = 19,794.69 × 3,962.45
  4. Step 4: Simplify right side
    13,196.45x = 78,435,533.74
  5. Step 5: Solve for x
    x = 78,435,533.74/13,196.45
  6. Step 6: Final answer
    x = 5,943.68

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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.