Home / 12,563.04-18,822.96-8,858.64

Finding the Fourth Proportional to 12,563.04, 18,822.96 and 8,858.64

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Solution

The fourth proportional to 12,563.04, 18,822.96 and 8,858.64 is: 13,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.04 : 18,822.96 = 8,858.64 : x
  2. Step 2: Convert to fraction form
    12,563.04/18,822.96 = 8,858.64/x
  3. Step 3: Cross multiply
    12,563.04x = 18,822.96 × 8,858.64
  4. Step 4: Simplify right side
    12,563.04x = 166,745,826.37
  5. Step 5: Solve for x
    x = 166,745,826.37/12,563.04
  6. Step 6: Final answer
    x = 13,272.73

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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.