Home / 12,926.68-19,390.04-4,042.06

Finding the Fourth Proportional to 12,926.68, 19,390.04 and 4,042.06

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Solution

The fourth proportional to 12,926.68, 19,390.04 and 4,042.06 is: 6,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.68 : 19,390.04 = 4,042.06 : x
  2. Step 2: Convert to fraction form
    12,926.68/19,390.04 = 4,042.06/x
  3. Step 3: Cross multiply
    12,926.68x = 19,390.04 × 4,042.06
  4. Step 4: Simplify right side
    12,926.68x = 78,375,636.40
  5. Step 5: Solve for x
    x = 78,375,636.40/12,926.68
  6. Step 6: Final answer
    x = 6,063.09

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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.