Home / 12,374.43-18,563.81-5,448.75

Finding the Fourth Proportional to 12,374.43, 18,563.81 and 5,448.75

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Solution

The fourth proportional to 12,374.43, 18,563.81 and 5,448.75 is: 8,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.43 : 18,563.81 = 5,448.75 : x
  2. Step 2: Convert to fraction form
    12,374.43/18,563.81 = 5,448.75/x
  3. Step 3: Cross multiply
    12,374.43x = 18,563.81 × 5,448.75
  4. Step 4: Simplify right side
    12,374.43x = 101,149,532.49
  5. Step 5: Solve for x
    x = 101,149,532.49/12,374.43
  6. Step 6: Final answer
    x = 8,174.08

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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.