Home / 16,986.84-25,481.40-4,506.68

Finding the Fourth Proportional to 16,986.84, 25,481.40 and 4,506.68

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Solution

The fourth proportional to 16,986.84, 25,481.40 and 4,506.68 is: 6,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.84 : 25,481.40 = 4,506.68 : x
  2. Step 2: Convert to fraction form
    16,986.84/25,481.40 = 4,506.68/x
  3. Step 3: Cross multiply
    16,986.84x = 25,481.40 × 4,506.68
  4. Step 4: Simplify right side
    16,986.84x = 114,836,515.75
  5. Step 5: Solve for x
    x = 114,836,515.75/16,986.84
  6. Step 6: Final answer
    x = 6,760.32

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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.