Home / 18,942.12-26,140.32-10,444.54

Finding the Fourth Proportional to 18,942.12, 26,140.32 and 10,444.54

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Solution

The fourth proportional to 18,942.12, 26,140.32 and 10,444.54 is: 14,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.12 : 26,140.32 = 10,444.54 : x
  2. Step 2: Convert to fraction form
    18,942.12/26,140.32 = 10,444.54/x
  3. Step 3: Cross multiply
    18,942.12x = 26,140.32 × 10,444.54
  4. Step 4: Simplify right side
    18,942.12x = 273,023,528.00
  5. Step 5: Solve for x
    x = 273,023,528.00/18,942.12
  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.