Home / 13,723.72-20,573.27-4,956.58

Finding the Fourth Proportional to 13,723.72, 20,573.27 and 4,956.58

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Solution

The fourth proportional to 13,723.72, 20,573.27 and 4,956.58 is: 7,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.72 : 20,573.27 = 4,956.58 : x
  2. Step 2: Convert to fraction form
    13,723.72/20,573.27 = 4,956.58/x
  3. Step 3: Cross multiply
    13,723.72x = 20,573.27 × 4,956.58
  4. Step 4: Simplify right side
    13,723.72x = 101,973,058.62
  5. Step 5: Solve for x
    x = 101,973,058.62/13,723.72
  6. Step 6: Final answer
    x = 7,430.42

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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.