Home / 18,660.93-25,751.70-10,163.20

Finding the Fourth Proportional to 18,660.93, 25,751.70 and 10,163.20

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Solution

The fourth proportional to 18,660.93, 25,751.70 and 10,163.20 is: 14,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.93 : 25,751.70 = 10,163.20 : x
  2. Step 2: Convert to fraction form
    18,660.93/25,751.70 = 10,163.20/x
  3. Step 3: Cross multiply
    18,660.93x = 25,751.70 × 10,163.20
  4. Step 4: Simplify right side
    18,660.93x = 261,719,723.29
  5. Step 5: Solve for x
    x = 261,719,723.29/18,660.93
  6. Step 6: Final answer
    x = 14,025.01

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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.