Home / 17,690.66-26,514.62-7,818.74

Finding the Fourth Proportional to 17,690.66, 26,514.62 and 7,818.74

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Solution

The fourth proportional to 17,690.66, 26,514.62 and 7,818.74 is: 11,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.66 : 26,514.62 = 7,818.74 : x
  2. Step 2: Convert to fraction form
    17,690.66/26,514.62 = 7,818.74/x
  3. Step 3: Cross multiply
    17,690.66x = 26,514.62 × 7,818.74
  4. Step 4: Simplify right side
    17,690.66x = 207,310,919.98
  5. Step 5: Solve for x
    x = 207,310,919.98/17,690.66
  6. Step 6: Final answer
    x = 11,718.67

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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.