Home / 13,050.56-19,579.19-4,285.55

Finding the Fourth Proportional to 13,050.56, 19,579.19 and 4,285.55

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Solution

The fourth proportional to 13,050.56, 19,579.19 and 4,285.55 is: 6,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.56 : 19,579.19 = 4,285.55 : x
  2. Step 2: Convert to fraction form
    13,050.56/19,579.19 = 4,285.55/x
  3. Step 3: Cross multiply
    13,050.56x = 19,579.19 × 4,285.55
  4. Step 4: Simplify right side
    13,050.56x = 83,907,625.22
  5. Step 5: Solve for x
    x = 83,907,625.22/13,050.56
  6. Step 6: Final answer
    x = 6,429.43

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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.