Home / 12,759.53-19,134.43-3,873.02

Finding the Fourth Proportional to 12,759.53, 19,134.43 and 3,873.02

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Solution

The fourth proportional to 12,759.53, 19,134.43 and 3,873.02 is: 5,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.53 : 19,134.43 = 3,873.02 : x
  2. Step 2: Convert to fraction form
    12,759.53/19,134.43 = 3,873.02/x
  3. Step 3: Cross multiply
    12,759.53x = 19,134.43 × 3,873.02
  4. Step 4: Simplify right side
    12,759.53x = 74,107,924.72
  5. Step 5: Solve for x
    x = 74,107,924.72/12,759.53
  6. Step 6: Final answer
    x = 5,808.05

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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.