Home / 17,968.72-26,951.80-6,721.92

Finding the Fourth Proportional to 17,968.72, 26,951.80 and 6,721.92

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Solution

The fourth proportional to 17,968.72, 26,951.80 and 6,721.92 is: 10,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.72 : 26,951.80 = 6,721.92 : x
  2. Step 2: Convert to fraction form
    17,968.72/26,951.80 = 6,721.92/x
  3. Step 3: Cross multiply
    17,968.72x = 26,951.80 × 6,721.92
  4. Step 4: Simplify right side
    17,968.72x = 181,167,843.46
  5. Step 5: Solve for x
    x = 181,167,843.46/17,968.72
  6. Step 6: Final answer
    x = 10,082.40

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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.