Home / 13,556.38-20,336.74-4,196.02

Finding the Fourth Proportional to 13,556.38, 20,336.74 and 4,196.02

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Solution

The fourth proportional to 13,556.38, 20,336.74 and 4,196.02 is: 6,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.38 : 20,336.74 = 4,196.02 : x
  2. Step 2: Convert to fraction form
    13,556.38/20,336.74 = 4,196.02/x
  3. Step 3: Cross multiply
    13,556.38x = 20,336.74 × 4,196.02
  4. Step 4: Simplify right side
    13,556.38x = 85,333,367.77
  5. Step 5: Solve for x
    x = 85,333,367.77/13,556.38
  6. Step 6: Final answer
    x = 6,294.70

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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.