Home / 13,586.73-20,383.03-4,226.57

Finding the Fourth Proportional to 13,586.73, 20,383.03 and 4,226.57

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Solution

The fourth proportional to 13,586.73, 20,383.03 and 4,226.57 is: 6,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.73 : 20,383.03 = 4,226.57 : x
  2. Step 2: Convert to fraction form
    13,586.73/20,383.03 = 4,226.57/x
  3. Step 3: Cross multiply
    13,586.73x = 20,383.03 × 4,226.57
  4. Step 4: Simplify right side
    13,586.73x = 86,150,303.11
  5. Step 5: Solve for x
    x = 86,150,303.11/13,586.73
  6. Step 6: Final answer
    x = 6,340.77

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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.