Home / 15,708.78-23,563.11-3,862.60

Finding the Fourth Proportional to 15,708.78, 23,563.11 and 3,862.60

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Solution

The fourth proportional to 15,708.78, 23,563.11 and 3,862.60 is: 5,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.78 : 23,563.11 = 3,862.60 : x
  2. Step 2: Convert to fraction form
    15,708.78/23,563.11 = 3,862.60/x
  3. Step 3: Cross multiply
    15,708.78x = 23,563.11 × 3,862.60
  4. Step 4: Simplify right side
    15,708.78x = 91,014,809.78
  5. Step 5: Solve for x
    x = 91,014,809.78/15,708.78
  6. Step 6: Final answer
    x = 5,793.88

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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.