Home / 20,636.33-30,949.50-9,532.34

Finding the Fourth Proportional to 20,636.33, 30,949.50 and 9,532.34

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Solution

The fourth proportional to 20,636.33, 30,949.50 and 9,532.34 is: 14,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.33 : 30,949.50 = 9,532.34 : x
  2. Step 2: Convert to fraction form
    20,636.33/30,949.50 = 9,532.34/x
  3. Step 3: Cross multiply
    20,636.33x = 30,949.50 × 9,532.34
  4. Step 4: Simplify right side
    20,636.33x = 295,021,002.08
  5. Step 5: Solve for x
    x = 295,021,002.08/20,636.33
  6. Step 6: Final answer
    x = 14,296.20

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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.