Home / 16,143.12-22,269.60-9,844.56

Finding the Fourth Proportional to 16,143.12, 22,269.60 and 9,844.56

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Solution

The fourth proportional to 16,143.12, 22,269.60 and 9,844.56 is: 13,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.12 : 22,269.60 = 9,844.56 : x
  2. Step 2: Convert to fraction form
    16,143.12/22,269.60 = 9,844.56/x
  3. Step 3: Cross multiply
    16,143.12x = 22,269.60 × 9,844.56
  4. Step 4: Simplify right side
    16,143.12x = 219,234,413.38
  5. Step 5: Solve for x
    x = 219,234,413.38/16,143.12
  6. Step 6: Final answer
    x = 13,580.67

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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.