Home / 14,086.99-21,136.12-6,185.43

Finding the Fourth Proportional to 14,086.99, 21,136.12 and 6,185.43

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Solution

The fourth proportional to 14,086.99, 21,136.12 and 6,185.43 is: 9,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.99 : 21,136.12 = 6,185.43 : x
  2. Step 2: Convert to fraction form
    14,086.99/21,136.12 = 6,185.43/x
  3. Step 3: Cross multiply
    14,086.99x = 21,136.12 × 6,185.43
  4. Step 4: Simplify right side
    14,086.99x = 130,735,990.73
  5. Step 5: Solve for x
    x = 130,735,990.73/14,086.99
  6. Step 6: Final answer
    x = 9,280.62

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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.