Home / 13,866.37-19,136.28-8,204.44

Finding the Fourth Proportional to 13,866.37, 19,136.28 and 8,204.44

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Solution

The fourth proportional to 13,866.37, 19,136.28 and 8,204.44 is: 11,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.37 : 19,136.28 = 8,204.44 : x
  2. Step 2: Convert to fraction form
    13,866.37/19,136.28 = 8,204.44/x
  3. Step 3: Cross multiply
    13,866.37x = 19,136.28 × 8,204.44
  4. Step 4: Simplify right side
    13,866.37x = 157,002,461.08
  5. Step 5: Solve for x
    x = 157,002,461.08/13,866.37
  6. Step 6: Final answer
    x = 11,322.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.