Home / 19,968.48-27,555.93-11,015.82

Finding the Fourth Proportional to 19,968.48, 27,555.93 and 11,015.82

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Solution

The fourth proportional to 19,968.48, 27,555.93 and 11,015.82 is: 15,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.48 : 27,555.93 = 11,015.82 : x
  2. Step 2: Convert to fraction form
    19,968.48/27,555.93 = 11,015.82/x
  3. Step 3: Cross multiply
    19,968.48x = 27,555.93 × 11,015.82
  4. Step 4: Simplify right side
    19,968.48x = 303,551,164.81
  5. Step 5: Solve for x
    x = 303,551,164.81/19,968.48
  6. Step 6: Final answer
    x = 15,201.52

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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.