Home / 14,136.03-21,171.74-6,745.68

Finding the Fourth Proportional to 14,136.03, 21,171.74 and 6,745.68

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Solution

The fourth proportional to 14,136.03, 21,171.74 and 6,745.68 is: 10,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.03 : 21,171.74 = 6,745.68 : x
  2. Step 2: Convert to fraction form
    14,136.03/21,171.74 = 6,745.68/x
  3. Step 3: Cross multiply
    14,136.03x = 21,171.74 × 6,745.68
  4. Step 4: Simplify right side
    14,136.03x = 142,817,694.09
  5. Step 5: Solve for x
    x = 142,817,694.09/14,136.03
  6. Step 6: Final answer
    x = 10,103.10

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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.