Home / 19,670.87-29,486.30-7,833.03

Finding the Fourth Proportional to 19,670.87, 29,486.30 and 7,833.03

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Solution

The fourth proportional to 19,670.87, 29,486.30 and 7,833.03 is: 11,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.87 : 29,486.30 = 7,833.03 : x
  2. Step 2: Convert to fraction form
    19,670.87/29,486.30 = 7,833.03/x
  3. Step 3: Cross multiply
    19,670.87x = 29,486.30 × 7,833.03
  4. Step 4: Simplify right side
    19,670.87x = 230,967,092.07
  5. Step 5: Solve for x
    x = 230,967,092.07/19,670.87
  6. Step 6: Final answer
    x = 11,741.58

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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.