Home / 13,239.74-19,849.99-6,216.14

Finding the Fourth Proportional to 13,239.74, 19,849.99 and 6,216.14

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Solution

The fourth proportional to 13,239.74, 19,849.99 and 6,216.14 is: 9,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.74 : 19,849.99 = 6,216.14 : x
  2. Step 2: Convert to fraction form
    13,239.74/19,849.99 = 6,216.14/x
  3. Step 3: Cross multiply
    13,239.74x = 19,849.99 × 6,216.14
  4. Step 4: Simplify right side
    13,239.74x = 123,390,316.84
  5. Step 5: Solve for x
    x = 123,390,316.84/13,239.74
  6. Step 6: Final answer
    x = 9,319.69

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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.