Home / 14,083.44-19,436.99-8,115.36

Finding the Fourth Proportional to 14,083.44, 19,436.99 and 8,115.36

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Solution

The fourth proportional to 14,083.44, 19,436.99 and 8,115.36 is: 11,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.44 : 19,436.99 = 8,115.36 : x
  2. Step 2: Convert to fraction form
    14,083.44/19,436.99 = 8,115.36/x
  3. Step 3: Cross multiply
    14,083.44x = 19,436.99 × 8,115.36
  4. Step 4: Simplify right side
    14,083.44x = 157,738,130.59
  5. Step 5: Solve for x
    x = 157,738,130.59/14,083.44
  6. Step 6: Final answer
    x = 11,200.26

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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.