Home / 15,940.79-23,911.14-4,847.43

Finding the Fourth Proportional to 15,940.79, 23,911.14 and 4,847.43

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Solution

The fourth proportional to 15,940.79, 23,911.14 and 4,847.43 is: 7,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.79 : 23,911.14 = 4,847.43 : x
  2. Step 2: Convert to fraction form
    15,940.79/23,911.14 = 4,847.43/x
  3. Step 3: Cross multiply
    15,940.79x = 23,911.14 × 4,847.43
  4. Step 4: Simplify right side
    15,940.79x = 115,907,577.37
  5. Step 5: Solve for x
    x = 115,907,577.37/15,940.79
  6. Step 6: Final answer
    x = 7,271.13

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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.