Home / 21,825.86-32,725.38-8,483.26

Finding the Fourth Proportional to 21,825.86, 32,725.38 and 8,483.26

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Solution

The fourth proportional to 21,825.86, 32,725.38 and 8,483.26 is: 12,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.86 : 32,725.38 = 8,483.26 : x
  2. Step 2: Convert to fraction form
    21,825.86/32,725.38 = 8,483.26/x
  3. Step 3: Cross multiply
    21,825.86x = 32,725.38 × 8,483.26
  4. Step 4: Simplify right side
    21,825.86x = 277,617,907.14
  5. Step 5: Solve for x
    x = 277,617,907.14/21,825.86
  6. Step 6: Final answer
    x = 12,719.68

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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.