Home / 13,723.75-20,573.41-4,956.72

Finding the Fourth Proportional to 13,723.75, 20,573.41 and 4,956.72

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Solution

The fourth proportional to 13,723.75, 20,573.41 and 4,956.72 is: 7,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.75 : 20,573.41 = 4,956.72 : x
  2. Step 2: Convert to fraction form
    13,723.75/20,573.41 = 4,956.72/x
  3. Step 3: Cross multiply
    13,723.75x = 20,573.41 × 4,956.72
  4. Step 4: Simplify right side
    13,723.75x = 101,976,632.82
  5. Step 5: Solve for x
    x = 101,976,632.82/13,723.75
  6. Step 6: Final answer
    x = 7,430.67

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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.