Home / 18,162.09-27,236.16-10,768.59

Finding the Fourth Proportional to 18,162.09, 27,236.16 and 10,768.59

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Solution

The fourth proportional to 18,162.09, 27,236.16 and 10,768.59 is: 16,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.09 : 27,236.16 = 10,768.59 : x
  2. Step 2: Convert to fraction form
    18,162.09/27,236.16 = 10,768.59/x
  3. Step 3: Cross multiply
    18,162.09x = 27,236.16 × 10,768.59
  4. Step 4: Simplify right side
    18,162.09x = 293,295,040.21
  5. Step 5: Solve for x
    x = 293,295,040.21/18,162.09
  6. Step 6: Final answer
    x = 16,148.75

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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.