Home / 18,483.12-27,726.19-7,383.74

Finding the Fourth Proportional to 18,483.12, 27,726.19 and 7,383.74

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Solution

The fourth proportional to 18,483.12, 27,726.19 and 7,383.74 is: 11,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.12 : 27,726.19 = 7,383.74 : x
  2. Step 2: Convert to fraction form
    18,483.12/27,726.19 = 7,383.74/x
  3. Step 3: Cross multiply
    18,483.12x = 27,726.19 × 7,383.74
  4. Step 4: Simplify right side
    18,483.12x = 204,722,821.06
  5. Step 5: Solve for x
    x = 204,722,821.06/18,483.12
  6. Step 6: Final answer
    x = 11,076.20

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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.