Home / 15,912.75-23,869.13-4,968.75

Finding the Fourth Proportional to 15,912.75, 23,869.13 and 4,968.75

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Solution

The fourth proportional to 15,912.75, 23,869.13 and 4,968.75 is: 7,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.75 : 23,869.13 = 4,968.75 : x
  2. Step 2: Convert to fraction form
    15,912.75/23,869.13 = 4,968.75/x
  3. Step 3: Cross multiply
    15,912.75x = 23,869.13 × 4,968.75
  4. Step 4: Simplify right side
    15,912.75x = 118,599,714.84
  5. Step 5: Solve for x
    x = 118,599,714.84/15,912.75
  6. Step 6: Final answer
    x = 7,453.13

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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.