Home / 19,608.48-29,414.07-7,921.53

Finding the Fourth Proportional to 19,608.48, 29,414.07 and 7,921.53

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Solution

The fourth proportional to 19,608.48, 29,414.07 and 7,921.53 is: 11,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.48 : 29,414.07 = 7,921.53 : x
  2. Step 2: Convert to fraction form
    19,608.48/29,414.07 = 7,921.53/x
  3. Step 3: Cross multiply
    19,608.48x = 29,414.07 × 7,921.53
  4. Step 4: Simplify right side
    19,608.48x = 233,004,437.93
  5. Step 5: Solve for x
    x = 233,004,437.93/19,608.48
  6. Step 6: Final answer
    x = 11,882.84

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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.