Home / 19,629.69-29,419.02-7,936.53

Finding the Fourth Proportional to 19,629.69, 29,419.02 and 7,936.53

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Solution

The fourth proportional to 19,629.69, 29,419.02 and 7,936.53 is: 11,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.69 : 29,419.02 = 7,936.53 : x
  2. Step 2: Convert to fraction form
    19,629.69/29,419.02 = 7,936.53/x
  3. Step 3: Cross multiply
    19,629.69x = 29,419.02 × 7,936.53
  4. Step 4: Simplify right side
    19,629.69x = 233,484,934.80
  5. Step 5: Solve for x
    x = 233,484,934.80/19,629.69
  6. Step 6: Final answer
    x = 11,894.48

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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.