Home / 14,181.94-21,274.37-5,424.22

Finding the Fourth Proportional to 14,181.94, 21,274.37 and 5,424.22

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Solution

The fourth proportional to 14,181.94, 21,274.37 and 5,424.22 is: 8,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.94 : 21,274.37 = 5,424.22 : x
  2. Step 2: Convert to fraction form
    14,181.94/21,274.37 = 5,424.22/x
  3. Step 3: Cross multiply
    14,181.94x = 21,274.37 × 5,424.22
  4. Step 4: Simplify right side
    14,181.94x = 115,396,863.24
  5. Step 5: Solve for x
    x = 115,396,863.24/14,181.94
  6. Step 6: Final answer
    x = 8,136.89

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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.