Home / 18,561.18-27,804.66-11,161.59

Finding the Fourth Proportional to 18,561.18, 27,804.66 and 11,161.59

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Solution

The fourth proportional to 18,561.18, 27,804.66 and 11,161.59 is: 16,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.18 : 27,804.66 = 11,161.59 : x
  2. Step 2: Convert to fraction form
    18,561.18/27,804.66 = 11,161.59/x
  3. Step 3: Cross multiply
    18,561.18x = 27,804.66 × 11,161.59
  4. Step 4: Simplify right side
    18,561.18x = 310,344,215.01
  5. Step 5: Solve for x
    x = 310,344,215.01/18,561.18
  6. Step 6: Final answer
    x = 16,720.07

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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.