Home / 13,772.93-19,008.26-8,183.93

Finding the Fourth Proportional to 13,772.93, 19,008.26 and 8,183.93

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Solution

The fourth proportional to 13,772.93, 19,008.26 and 8,183.93 is: 11,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.93 : 19,008.26 = 8,183.93 : x
  2. Step 2: Convert to fraction form
    13,772.93/19,008.26 = 8,183.93/x
  3. Step 3: Cross multiply
    13,772.93x = 19,008.26 × 8,183.93
  4. Step 4: Simplify right side
    13,772.93x = 155,562,133.30
  5. Step 5: Solve for x
    x = 155,562,133.30/13,772.93
  6. Step 6: Final answer
    x = 11,294.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.