Home / 16,968.35-25,405.16-12,795.30

Finding the Fourth Proportional to 16,968.35, 25,405.16 and 12,795.30

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Solution

The fourth proportional to 16,968.35, 25,405.16 and 12,795.30 is: 19,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.35 : 25,405.16 = 12,795.30 : x
  2. Step 2: Convert to fraction form
    16,968.35/25,405.16 = 12,795.30/x
  3. Step 3: Cross multiply
    16,968.35x = 25,405.16 × 12,795.30
  4. Step 4: Simplify right side
    16,968.35x = 325,066,579.77
  5. Step 5: Solve for x
    x = 325,066,579.77/16,968.35
  6. Step 6: Final answer
    x = 19,157.23

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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.