Home / 13,725.51-20,589.63-4,958.37

Finding the Fourth Proportional to 13,725.51, 20,589.63 and 4,958.37

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Solution

The fourth proportional to 13,725.51, 20,589.63 and 4,958.37 is: 7,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.51 : 20,589.63 = 4,958.37 : x
  2. Step 2: Convert to fraction form
    13,725.51/20,589.63 = 4,958.37/x
  3. Step 3: Cross multiply
    13,725.51x = 20,589.63 × 4,958.37
  4. Step 4: Simplify right side
    13,725.51x = 102,091,003.70
  5. Step 5: Solve for x
    x = 102,091,003.70/13,725.51
  6. Step 6: Final answer
    x = 7,438.05

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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.