Home / 15,885.98-23,821.25-4,790.60

Finding the Fourth Proportional to 15,885.98, 23,821.25 and 4,790.60

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Solution

The fourth proportional to 15,885.98, 23,821.25 and 4,790.60 is: 7,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.98 : 23,821.25 = 4,790.60 : x
  2. Step 2: Convert to fraction form
    15,885.98/23,821.25 = 4,790.60/x
  3. Step 3: Cross multiply
    15,885.98x = 23,821.25 × 4,790.60
  4. Step 4: Simplify right side
    15,885.98x = 114,118,080.25
  5. Step 5: Solve for x
    x = 114,118,080.25/15,885.98
  6. Step 6: Final answer
    x = 7,183.57

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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.