Home / 13,709.90-20,560.59-4,943.67

Finding the Fourth Proportional to 13,709.90, 20,560.59 and 4,943.67

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Solution

The fourth proportional to 13,709.90, 20,560.59 and 4,943.67 is: 7,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.90 : 20,560.59 = 4,943.67 : x
  2. Step 2: Convert to fraction form
    13,709.90/20,560.59 = 4,943.67/x
  3. Step 3: Cross multiply
    13,709.90x = 20,560.59 × 4,943.67
  4. Step 4: Simplify right side
    13,709.90x = 101,644,771.97
  5. Step 5: Solve for x
    x = 101,644,771.97/13,709.90
  6. Step 6: Final answer
    x = 7,413.97

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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.