Home / 18,661.09-25,752.33-10,163.25

Finding the Fourth Proportional to 18,661.09, 25,752.33 and 10,163.25

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Solution

The fourth proportional to 18,661.09, 25,752.33 and 10,163.25 is: 14,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.09 : 25,752.33 = 10,163.25 : x
  2. Step 2: Convert to fraction form
    18,661.09/25,752.33 = 10,163.25/x
  3. Step 3: Cross multiply
    18,661.09x = 25,752.33 × 10,163.25
  4. Step 4: Simplify right side
    18,661.09x = 261,727,393.28
  5. Step 5: Solve for x
    x = 261,727,393.28/18,661.09
  6. Step 6: Final answer
    x = 14,025.30

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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.