Home / 13,956.48-20,923.20-10,258.56

Finding the Fourth Proportional to 13,956.48, 20,923.20 and 10,258.56

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Solution

The fourth proportional to 13,956.48, 20,923.20 and 10,258.56 is: 15,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.48 : 20,923.20 = 10,258.56 : x
  2. Step 2: Convert to fraction form
    13,956.48/20,923.20 = 10,258.56/x
  3. Step 3: Cross multiply
    13,956.48x = 20,923.20 × 10,258.56
  4. Step 4: Simplify right side
    13,956.48x = 214,641,902.59
  5. Step 5: Solve for x
    x = 214,641,902.59/13,956.48
  6. Step 6: Final answer
    x = 15,379.37

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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.