Home / 13,041.89-19,563.05-3,181.36

Finding the Fourth Proportional to 13,041.89, 19,563.05 and 3,181.36

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Solution

The fourth proportional to 13,041.89, 19,563.05 and 3,181.36 is: 4,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.89 : 19,563.05 = 3,181.36 : x
  2. Step 2: Convert to fraction form
    13,041.89/19,563.05 = 3,181.36/x
  3. Step 3: Cross multiply
    13,041.89x = 19,563.05 × 3,181.36
  4. Step 4: Simplify right side
    13,041.89x = 62,237,039.93
  5. Step 5: Solve for x
    x = 62,237,039.93/13,041.89
  6. Step 6: Final answer
    x = 4,772.09

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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.