Home / 19,498.56-26,896.44-11,948.28

Finding the Fourth Proportional to 19,498.56, 26,896.44 and 11,948.28

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Solution

The fourth proportional to 19,498.56, 26,896.44 and 11,948.28 is: 16,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.56 : 26,896.44 = 11,948.28 : x
  2. Step 2: Convert to fraction form
    19,498.56/26,896.44 = 11,948.28/x
  3. Step 3: Cross multiply
    19,498.56x = 26,896.44 × 11,948.28
  4. Step 4: Simplify right side
    19,498.56x = 321,366,196.12
  5. Step 5: Solve for x
    x = 321,366,196.12/19,498.56
  6. Step 6: Final answer
    x = 16,481.53

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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.