Home / 19,883.43-29,825.38-5,091.95

Finding the Fourth Proportional to 19,883.43, 29,825.38 and 5,091.95

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Solution

The fourth proportional to 19,883.43, 29,825.38 and 5,091.95 is: 7,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.43 : 29,825.38 = 5,091.95 : x
  2. Step 2: Convert to fraction form
    19,883.43/29,825.38 = 5,091.95/x
  3. Step 3: Cross multiply
    19,883.43x = 29,825.38 × 5,091.95
  4. Step 4: Simplify right side
    19,883.43x = 151,869,343.69
  5. Step 5: Solve for x
    x = 151,869,343.69/19,883.43
  6. Step 6: Final answer
    x = 7,637.99

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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.