Home / 19,829.96-27,362.44-11,870.52

Finding the Fourth Proportional to 19,829.96, 27,362.44 and 11,870.52

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Solution

The fourth proportional to 19,829.96, 27,362.44 and 11,870.52 is: 16,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.96 : 27,362.44 = 11,870.52 : x
  2. Step 2: Convert to fraction form
    19,829.96/27,362.44 = 11,870.52/x
  3. Step 3: Cross multiply
    19,829.96x = 27,362.44 × 11,870.52
  4. Step 4: Simplify right side
    19,829.96x = 324,806,391.27
  5. Step 5: Solve for x
    x = 324,806,391.27/19,829.96
  6. Step 6: Final answer
    x = 16,379.58

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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.