Home / 13,115.68-19,670.76-4,799.62

Finding the Fourth Proportional to 13,115.68, 19,670.76 and 4,799.62

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Solution

The fourth proportional to 13,115.68, 19,670.76 and 4,799.62 is: 7,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.68 : 19,670.76 = 4,799.62 : x
  2. Step 2: Convert to fraction form
    13,115.68/19,670.76 = 4,799.62/x
  3. Step 3: Cross multiply
    13,115.68x = 19,670.76 × 4,799.62
  4. Step 4: Simplify right side
    13,115.68x = 94,412,173.11
  5. Step 5: Solve for x
    x = 94,412,173.11/13,115.68
  6. Step 6: Final answer
    x = 7,198.42

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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.