Home / 18,163.07-27,244.43-10,762.20

Finding the Fourth Proportional to 18,163.07, 27,244.43 and 10,762.20

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Solution

The fourth proportional to 18,163.07, 27,244.43 and 10,762.20 is: 16,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.07 : 27,244.43 = 10,762.20 : x
  2. Step 2: Convert to fraction form
    18,163.07/27,244.43 = 10,762.20/x
  3. Step 3: Cross multiply
    18,163.07x = 27,244.43 × 10,762.20
  4. Step 4: Simplify right side
    18,163.07x = 293,210,099.56
  5. Step 5: Solve for x
    x = 293,210,099.56/18,163.07
  6. Step 6: Final answer
    x = 16,143.20

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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.