Home / 15,899.54-23,851.94-5,370.55

Finding the Fourth Proportional to 15,899.54, 23,851.94 and 5,370.55

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Solution

The fourth proportional to 15,899.54, 23,851.94 and 5,370.55 is: 8,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.54 : 23,851.94 = 5,370.55 : x
  2. Step 2: Convert to fraction form
    15,899.54/23,851.94 = 5,370.55/x
  3. Step 3: Cross multiply
    15,899.54x = 23,851.94 × 5,370.55
  4. Step 4: Simplify right side
    15,899.54x = 128,097,949.88
  5. Step 5: Solve for x
    x = 128,097,949.88/15,899.54
  6. Step 6: Final answer
    x = 8,056.71

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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.