Home / 17,974.45-26,964.65-8,113.51

Finding the Fourth Proportional to 17,974.45, 26,964.65 and 8,113.51

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Solution

The fourth proportional to 17,974.45, 26,964.65 and 8,113.51 is: 12,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,974.45 : 26,964.65 = 8,113.51 : x
  2. Step 2: Convert to fraction form
    17,974.45/26,964.65 = 8,113.51/x
  3. Step 3: Cross multiply
    17,974.45x = 26,964.65 × 8,113.51
  4. Step 4: Simplify right side
    17,974.45x = 218,777,916.85
  5. Step 5: Solve for x
    x = 218,777,916.85/17,974.45
  6. Step 6: Final answer
    x = 12,171.61

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1.5x scale

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.