Home / 18,453.22-27,681.24-5,306.61

Finding the Fourth Proportional to 18,453.22, 27,681.24 and 5,306.61

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Solution

The fourth proportional to 18,453.22, 27,681.24 and 5,306.61 is: 7,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.22 : 27,681.24 = 5,306.61 : x
  2. Step 2: Convert to fraction form
    18,453.22/27,681.24 = 5,306.61/x
  3. Step 3: Cross multiply
    18,453.22x = 27,681.24 × 5,306.61
  4. Step 4: Simplify right side
    18,453.22x = 146,893,668.70
  5. Step 5: Solve for x
    x = 146,893,668.70/18,453.22
  6. Step 6: Final answer
    x = 7,960.33

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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.