Home / 13,709.94-20,558.50-4,943.70

Finding the Fourth Proportional to 13,709.94, 20,558.50 and 4,943.70

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Solution

The fourth proportional to 13,709.94, 20,558.50 and 4,943.70 is: 7,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.94 : 20,558.50 = 4,943.70 : x
  2. Step 2: Convert to fraction form
    13,709.94/20,558.50 = 4,943.70/x
  3. Step 3: Cross multiply
    13,709.94x = 20,558.50 × 4,943.70
  4. Step 4: Simplify right side
    13,709.94x = 101,635,056.45
  5. Step 5: Solve for x
    x = 101,635,056.45/13,709.94
  6. Step 6: Final answer
    x = 7,413.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.