Home / 16,900.86-23,321.75-9,827.67

Finding the Fourth Proportional to 16,900.86, 23,321.75 and 9,827.67

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Solution

The fourth proportional to 16,900.86, 23,321.75 and 9,827.67 is: 13,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.86 : 23,321.75 = 9,827.67 : x
  2. Step 2: Convert to fraction form
    16,900.86/23,321.75 = 9,827.67/x
  3. Step 3: Cross multiply
    16,900.86x = 23,321.75 × 9,827.67
  4. Step 4: Simplify right side
    16,900.86x = 229,198,413.68
  5. Step 5: Solve for x
    x = 229,198,413.68/16,900.86
  6. Step 6: Final answer
    x = 13,561.35

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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.