Home / 12,837.69-19,251.68-5,042.25

Finding the Fourth Proportional to 12,837.69, 19,251.68 and 5,042.25

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Solution

The fourth proportional to 12,837.69, 19,251.68 and 5,042.25 is: 7,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.69 : 19,251.68 = 5,042.25 : x
  2. Step 2: Convert to fraction form
    12,837.69/19,251.68 = 5,042.25/x
  3. Step 3: Cross multiply
    12,837.69x = 19,251.68 × 5,042.25
  4. Step 4: Simplify right side
    12,837.69x = 97,071,758.27
  5. Step 5: Solve for x
    x = 97,071,758.27/12,837.69
  6. Step 6: Final answer
    x = 7,561.47

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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.