Home / 27,505.56-41,236.47-11,912.25

Finding the Fourth Proportional to 27,505.56, 41,236.47 and 11,912.25

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Solution

The fourth proportional to 27,505.56, 41,236.47 and 11,912.25 is: 17,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,505.56 : 41,236.47 = 11,912.25 : x
  2. Step 2: Convert to fraction form
    27,505.56/41,236.47 = 11,912.25/x
  3. Step 3: Cross multiply
    27,505.56x = 41,236.47 × 11,912.25
  4. Step 4: Simplify right side
    27,505.56x = 491,219,139.76
  5. Step 5: Solve for x
    x = 491,219,139.76/27,505.56
  6. Step 6: Final answer
    x = 17,858.90

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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.