Home / 16,870.21-25,306.53-6,481.96

Finding the Fourth Proportional to 16,870.21, 25,306.53 and 6,481.96

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Solution

The fourth proportional to 16,870.21, 25,306.53 and 6,481.96 is: 9,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.21 : 25,306.53 = 6,481.96 : x
  2. Step 2: Convert to fraction form
    16,870.21/25,306.53 = 6,481.96/x
  3. Step 3: Cross multiply
    16,870.21x = 25,306.53 × 6,481.96
  4. Step 4: Simplify right side
    16,870.21x = 164,035,915.20
  5. Step 5: Solve for x
    x = 164,035,915.20/16,870.21
  6. Step 6: Final answer
    x = 9,723.41

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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.