Home / 13,943.29-19,233.27-8,274.30

Finding the Fourth Proportional to 13,943.29, 19,233.27 and 8,274.30

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Solution

The fourth proportional to 13,943.29, 19,233.27 and 8,274.30 is: 11,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.29 : 19,233.27 = 8,274.30 : x
  2. Step 2: Convert to fraction form
    13,943.29/19,233.27 = 8,274.30/x
  3. Step 3: Cross multiply
    13,943.29x = 19,233.27 × 8,274.30
  4. Step 4: Simplify right side
    13,943.29x = 159,141,845.96
  5. Step 5: Solve for x
    x = 159,141,845.96/13,943.29
  6. Step 6: Final answer
    x = 11,413.51

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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.