Home / 13,582.63-20,367.55-5,266.54

Finding the Fourth Proportional to 13,582.63, 20,367.55 and 5,266.54

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Solution

The fourth proportional to 13,582.63, 20,367.55 and 5,266.54 is: 7,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.63 : 20,367.55 = 5,266.54 : x
  2. Step 2: Convert to fraction form
    13,582.63/20,367.55 = 5,266.54/x
  3. Step 3: Cross multiply
    13,582.63x = 20,367.55 × 5,266.54
  4. Step 4: Simplify right side
    13,582.63x = 107,266,516.78
  5. Step 5: Solve for x
    x = 107,266,516.78/13,582.63
  6. Step 6: Final answer
    x = 7,897.33

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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.