Home / 17,247.21-25,857.72-8,921.94

Finding the Fourth Proportional to 17,247.21, 25,857.72 and 8,921.94

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Solution

The fourth proportional to 17,247.21, 25,857.72 and 8,921.94 is: 13,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.21 : 25,857.72 = 8,921.94 : x
  2. Step 2: Convert to fraction form
    17,247.21/25,857.72 = 8,921.94/x
  3. Step 3: Cross multiply
    17,247.21x = 25,857.72 × 8,921.94
  4. Step 4: Simplify right side
    17,247.21x = 230,701,026.38
  5. Step 5: Solve for x
    x = 230,701,026.38/17,247.21
  6. Step 6: Final answer
    x = 13,376.14

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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.