Home / 18,136.24-27,201.22-4,809.33

Finding the Fourth Proportional to 18,136.24, 27,201.22 and 4,809.33

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Solution

The fourth proportional to 18,136.24, 27,201.22 and 4,809.33 is: 7,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.24 : 27,201.22 = 4,809.33 : x
  2. Step 2: Convert to fraction form
    18,136.24/27,201.22 = 4,809.33/x
  3. Step 3: Cross multiply
    18,136.24x = 27,201.22 × 4,809.33
  4. Step 4: Simplify right side
    18,136.24x = 130,819,631.36
  5. Step 5: Solve for x
    x = 130,819,631.36/18,136.24
  6. Step 6: Final answer
    x = 7,213.16

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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.