Home / 15,424.79-23,112.93-11,923.37

Finding the Fourth Proportional to 15,424.79, 23,112.93 and 11,923.37

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Solution

The fourth proportional to 15,424.79, 23,112.93 and 11,923.37 is: 17,866.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.79 : 23,112.93 = 11,923.37 : x
  2. Step 2: Convert to fraction form
    15,424.79/23,112.93 = 11,923.37/x
  3. Step 3: Cross multiply
    15,424.79x = 23,112.93 × 11,923.37
  4. Step 4: Simplify right side
    15,424.79x = 275,584,032.00
  5. Step 5: Solve for x
    x = 275,584,032.00/15,424.79
  6. Step 6: Final answer
    x = 17,866.31

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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.