Home / 13,766.25-20,634.67-5,442.67

Finding the Fourth Proportional to 13,766.25, 20,634.67 and 5,442.67

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Solution

The fourth proportional to 13,766.25, 20,634.67 and 5,442.67 is: 8,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.25 : 20,634.67 = 5,442.67 : x
  2. Step 2: Convert to fraction form
    13,766.25/20,634.67 = 5,442.67/x
  3. Step 3: Cross multiply
    13,766.25x = 20,634.67 × 5,442.67
  4. Step 4: Simplify right side
    13,766.25x = 112,307,699.37
  5. Step 5: Solve for x
    x = 112,307,699.37/13,766.25
  6. Step 6: Final answer
    x = 8,158.19

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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.