Home / 19,059.05-28,583.17-12,028.53

Finding the Fourth Proportional to 19,059.05, 28,583.17 and 12,028.53

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Solution

The fourth proportional to 19,059.05, 28,583.17 and 12,028.53 is: 18,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.05 : 28,583.17 = 12,028.53 : x
  2. Step 2: Convert to fraction form
    19,059.05/28,583.17 = 12,028.53/x
  3. Step 3: Cross multiply
    19,059.05x = 28,583.17 × 12,028.53
  4. Step 4: Simplify right side
    19,059.05x = 343,813,594.96
  5. Step 5: Solve for x
    x = 343,813,594.96/19,059.05
  6. Step 6: Final answer
    x = 18,039.39

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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.