Home / 17,981.76-26,973.12-6,893.76

Finding the Fourth Proportional to 17,981.76, 26,973.12 and 6,893.76

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Solution

The fourth proportional to 17,981.76, 26,973.12 and 6,893.76 is: 10,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.76 : 26,973.12 = 6,893.76 : x
  2. Step 2: Convert to fraction form
    17,981.76/26,973.12 = 6,893.76/x
  3. Step 3: Cross multiply
    17,981.76x = 26,973.12 × 6,893.76
  4. Step 4: Simplify right side
    17,981.76x = 185,946,215.73
  5. Step 5: Solve for x
    x = 185,946,215.73/17,981.76
  6. Step 6: Final answer
    x = 10,340.82

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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.