Home / 18,549.24-27,842.07-13,604.79

Finding the Fourth Proportional to 18,549.24, 27,842.07 and 13,604.79

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Solution

The fourth proportional to 18,549.24, 27,842.07 and 13,604.79 is: 20,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.24 : 27,842.07 = 13,604.79 : x
  2. Step 2: Convert to fraction form
    18,549.24/27,842.07 = 13,604.79/x
  3. Step 3: Cross multiply
    18,549.24x = 27,842.07 × 13,604.79
  4. Step 4: Simplify right side
    18,549.24x = 378,785,515.52
  5. Step 5: Solve for x
    x = 378,785,515.52/18,549.24
  6. Step 6: Final answer
    x = 20,420.54

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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.