Home / 27,774.01-38,328.15-15,198.76

Finding the Fourth Proportional to 27,774.01, 38,328.15 and 15,198.76

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Solution

The fourth proportional to 27,774.01, 38,328.15 and 15,198.76 is: 20,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.01 : 38,328.15 = 15,198.76 : x
  2. Step 2: Convert to fraction form
    27,774.01/38,328.15 = 15,198.76/x
  3. Step 3: Cross multiply
    27,774.01x = 38,328.15 × 15,198.76
  4. Step 4: Simplify right side
    27,774.01x = 582,540,353.09
  5. Step 5: Solve for x
    x = 582,540,353.09/27,774.01
  6. Step 6: Final answer
    x = 20,974.30

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.