Home / 15,829.56-23,745.94-4,142.88

Finding the Fourth Proportional to 15,829.56, 23,745.94 and 4,142.88

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Solution

The fourth proportional to 15,829.56, 23,745.94 and 4,142.88 is: 6,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.56 : 23,745.94 = 4,142.88 : x
  2. Step 2: Convert to fraction form
    15,829.56/23,745.94 = 4,142.88/x
  3. Step 3: Cross multiply
    15,829.56x = 23,745.94 × 4,142.88
  4. Step 4: Simplify right side
    15,829.56x = 98,376,579.91
  5. Step 5: Solve for x
    x = 98,376,579.91/15,829.56
  6. Step 6: Final answer
    x = 6,214.74

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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.