Home / 14,083.26-19,428.32-8,111.46

Finding the Fourth Proportional to 14,083.26, 19,428.32 and 8,111.46

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Solution

The fourth proportional to 14,083.26, 19,428.32 and 8,111.46 is: 11,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.26 : 19,428.32 = 8,111.46 : x
  2. Step 2: Convert to fraction form
    14,083.26/19,428.32 = 8,111.46/x
  3. Step 3: Cross multiply
    14,083.26x = 19,428.32 × 8,111.46
  4. Step 4: Simplify right side
    14,083.26x = 157,591,999.99
  5. Step 5: Solve for x
    x = 157,591,999.99/14,083.26
  6. Step 6: Final answer
    x = 11,190.02

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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.