Home / 19,028.10-28,550.31-7,349.52

Finding the Fourth Proportional to 19,028.10, 28,550.31 and 7,349.52

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Solution

The fourth proportional to 19,028.10, 28,550.31 and 7,349.52 is: 11,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.10 : 28,550.31 = 7,349.52 : x
  2. Step 2: Convert to fraction form
    19,028.10/28,550.31 = 7,349.52/x
  3. Step 3: Cross multiply
    19,028.10x = 28,550.31 × 7,349.52
  4. Step 4: Simplify right side
    19,028.10x = 209,831,074.35
  5. Step 5: Solve for x
    x = 209,831,074.35/19,028.10
  6. Step 6: Final answer
    x = 11,027.43

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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.