Home / 13,918.22-20,873.23-4,054.39

Finding the Fourth Proportional to 13,918.22, 20,873.23 and 4,054.39

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Solution

The fourth proportional to 13,918.22, 20,873.23 and 4,054.39 is: 6,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.22 : 20,873.23 = 4,054.39 : x
  2. Step 2: Convert to fraction form
    13,918.22/20,873.23 = 4,054.39/x
  3. Step 3: Cross multiply
    13,918.22x = 20,873.23 × 4,054.39
  4. Step 4: Simplify right side
    13,918.22x = 84,628,214.98
  5. Step 5: Solve for x
    x = 84,628,214.98/13,918.22
  6. Step 6: Final answer
    x = 6,080.39

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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.