Home / 18,606.88-27,911.23-7,512.18

Finding the Fourth Proportional to 18,606.88, 27,911.23 and 7,512.18

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Solution

The fourth proportional to 18,606.88, 27,911.23 and 7,512.18 is: 11,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.88 : 27,911.23 = 7,512.18 : x
  2. Step 2: Convert to fraction form
    18,606.88/27,911.23 = 7,512.18/x
  3. Step 3: Cross multiply
    18,606.88x = 27,911.23 × 7,512.18
  4. Step 4: Simplify right side
    18,606.88x = 209,674,183.78
  5. Step 5: Solve for x
    x = 209,674,183.78/18,606.88
  6. Step 6: Final answer
    x = 11,268.64

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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.