Home / 15,771.78-23,656.53-4,084.62

Finding the Fourth Proportional to 15,771.78, 23,656.53 and 4,084.62

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Solution

The fourth proportional to 15,771.78, 23,656.53 and 4,084.62 is: 6,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.78 : 23,656.53 = 4,084.62 : x
  2. Step 2: Convert to fraction form
    15,771.78/23,656.53 = 4,084.62/x
  3. Step 3: Cross multiply
    15,771.78x = 23,656.53 × 4,084.62
  4. Step 4: Simplify right side
    15,771.78x = 96,627,935.57
  5. Step 5: Solve for x
    x = 96,627,935.57/15,771.78
  6. Step 6: Final answer
    x = 6,126.63

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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.