Home / 13,772.48-19,006.08-8,183.52

Finding the Fourth Proportional to 13,772.48, 19,006.08 and 8,183.52

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Solution

The fourth proportional to 13,772.48, 19,006.08 and 8,183.52 is: 11,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.48 : 19,006.08 = 8,183.52 : x
  2. Step 2: Convert to fraction form
    13,772.48/19,006.08 = 8,183.52/x
  3. Step 3: Cross multiply
    13,772.48x = 19,006.08 × 8,183.52
  4. Step 4: Simplify right side
    13,772.48x = 155,536,635.80
  5. Step 5: Solve for x
    x = 155,536,635.80/13,772.48
  6. Step 6: Final answer
    x = 11,293.29

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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.