Home / 18,828.11-25,982.81-10,444.61

Finding the Fourth Proportional to 18,828.11, 25,982.81 and 10,444.61

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Solution

The fourth proportional to 18,828.11, 25,982.81 and 10,444.61 is: 14,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.11 : 25,982.81 = 10,444.61 : x
  2. Step 2: Convert to fraction form
    18,828.11/25,982.81 = 10,444.61/x
  3. Step 3: Cross multiply
    18,828.11x = 25,982.81 × 10,444.61
  4. Step 4: Simplify right side
    18,828.11x = 271,380,135.02
  5. Step 5: Solve for x
    x = 271,380,135.02/18,828.11
  6. Step 6: Final answer
    x = 14,413.57

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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.