Home / 13,171.53-19,759.23-4,283.94

Finding the Fourth Proportional to 13,171.53, 19,759.23 and 4,283.94

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Solution

The fourth proportional to 13,171.53, 19,759.23 and 4,283.94 is: 6,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.53 : 19,759.23 = 4,283.94 : x
  2. Step 2: Convert to fraction form
    13,171.53/19,759.23 = 4,283.94/x
  3. Step 3: Cross multiply
    13,171.53x = 19,759.23 × 4,283.94
  4. Step 4: Simplify right side
    13,171.53x = 84,647,355.77
  5. Step 5: Solve for x
    x = 84,647,355.77/13,171.53
  6. Step 6: Final answer
    x = 6,426.54

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1.5x scale

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.