Home / 19,268.84-28,900.38-7,589.96

Finding the Fourth Proportional to 19,268.84, 28,900.38 and 7,589.96

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Solution

The fourth proportional to 19,268.84, 28,900.38 and 7,589.96 is: 11,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.84 : 28,900.38 = 7,589.96 : x
  2. Step 2: Convert to fraction form
    19,268.84/28,900.38 = 7,589.96/x
  3. Step 3: Cross multiply
    19,268.84x = 28,900.38 × 7,589.96
  4. Step 4: Simplify right side
    19,268.84x = 219,352,728.18
  5. Step 5: Solve for x
    x = 219,352,728.18/19,268.84
  6. Step 6: Final answer
    x = 11,383.81

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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.