Home / 15,961.69-23,963.73-13,636.63

Finding the Fourth Proportional to 15,961.69, 23,963.73 and 13,636.63

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Solution

The fourth proportional to 15,961.69, 23,963.73 and 13,636.63 is: 20,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.69 : 23,963.73 = 13,636.63 : x
  2. Step 2: Convert to fraction form
    15,961.69/23,963.73 = 13,636.63/x
  3. Step 3: Cross multiply
    15,961.69x = 23,963.73 × 13,636.63
  4. Step 4: Simplify right side
    15,961.69x = 326,784,519.43
  5. Step 5: Solve for x
    x = 326,784,519.43/15,961.69
  6. Step 6: Final answer
    x = 20,473.05

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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.