Home / 18,546.48-27,807.32-11,969.06

Finding the Fourth Proportional to 18,546.48, 27,807.32 and 11,969.06

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Solution

The fourth proportional to 18,546.48, 27,807.32 and 11,969.06 is: 17,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.48 : 27,807.32 = 11,969.06 : x
  2. Step 2: Convert to fraction form
    18,546.48/27,807.32 = 11,969.06/x
  3. Step 3: Cross multiply
    18,546.48x = 27,807.32 × 11,969.06
  4. Step 4: Simplify right side
    18,546.48x = 332,827,481.52
  5. Step 5: Solve for x
    x = 332,827,481.52/18,546.48
  6. Step 6: Final answer
    x = 17,945.59

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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.