Home / 16,768.48-25,157.99-6,912.40

Finding the Fourth Proportional to 16,768.48, 25,157.99 and 6,912.40

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Solution

The fourth proportional to 16,768.48, 25,157.99 and 6,912.40 is: 10,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.48 : 25,157.99 = 6,912.40 : x
  2. Step 2: Convert to fraction form
    16,768.48/25,157.99 = 6,912.40/x
  3. Step 3: Cross multiply
    16,768.48x = 25,157.99 × 6,912.40
  4. Step 4: Simplify right side
    16,768.48x = 173,902,090.08
  5. Step 5: Solve for x
    x = 173,902,090.08/16,768.48
  6. Step 6: Final answer
    x = 10,370.77

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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.