Home / 18,163.22-25,065.78-10,615.02

Finding the Fourth Proportional to 18,163.22, 25,065.78 and 10,615.02

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Solution

The fourth proportional to 18,163.22, 25,065.78 and 10,615.02 is: 14,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.22 : 25,065.78 = 10,615.02 : x
  2. Step 2: Convert to fraction form
    18,163.22/25,065.78 = 10,615.02/x
  3. Step 3: Cross multiply
    18,163.22x = 25,065.78 × 10,615.02
  4. Step 4: Simplify right side
    18,163.22x = 266,073,756.02
  5. Step 5: Solve for x
    x = 266,073,756.02/18,163.22
  6. Step 6: Final answer
    x = 14,649.04

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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.