Home / 18,136.44-27,199.36-7,606.20

Finding the Fourth Proportional to 18,136.44, 27,199.36 and 7,606.20

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Solution

The fourth proportional to 18,136.44, 27,199.36 and 7,606.20 is: 11,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.44 : 27,199.36 = 7,606.20 : x
  2. Step 2: Convert to fraction form
    18,136.44/27,199.36 = 7,606.20/x
  3. Step 3: Cross multiply
    18,136.44x = 27,199.36 × 7,606.20
  4. Step 4: Simplify right side
    18,136.44x = 206,883,772.03
  5. Step 5: Solve for x
    x = 206,883,772.03/18,136.44
  6. Step 6: Final answer
    x = 11,407.08

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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.