Home / 19,824.73-29,734.19-5,780.99

Finding the Fourth Proportional to 19,824.73, 29,734.19 and 5,780.99

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Solution

The fourth proportional to 19,824.73, 29,734.19 and 5,780.99 is: 8,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.73 : 29,734.19 = 5,780.99 : x
  2. Step 2: Convert to fraction form
    19,824.73/29,734.19 = 5,780.99/x
  3. Step 3: Cross multiply
    19,824.73x = 29,734.19 × 5,780.99
  4. Step 4: Simplify right side
    19,824.73x = 171,893,055.05
  5. Step 5: Solve for x
    x = 171,893,055.05/19,824.73
  6. Step 6: Final answer
    x = 8,670.64

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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.