Home / 19,756.78-27,262.44-11,258.26

Finding the Fourth Proportional to 19,756.78, 27,262.44 and 11,258.26

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Solution

The fourth proportional to 19,756.78, 27,262.44 and 11,258.26 is: 15,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.78 : 27,262.44 = 11,258.26 : x
  2. Step 2: Convert to fraction form
    19,756.78/27,262.44 = 11,258.26/x
  3. Step 3: Cross multiply
    19,756.78x = 27,262.44 × 11,258.26
  4. Step 4: Simplify right side
    19,756.78x = 306,927,569.60
  5. Step 5: Solve for x
    x = 306,927,569.60/19,756.78
  6. Step 6: Final answer
    x = 15,535.31

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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.