Home / 17,959.47-26,936.78-4,811.96

Finding the Fourth Proportional to 17,959.47, 26,936.78 and 4,811.96

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Solution

The fourth proportional to 17,959.47, 26,936.78 and 4,811.96 is: 7,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.47 : 26,936.78 = 4,811.96 : x
  2. Step 2: Convert to fraction form
    17,959.47/26,936.78 = 4,811.96/x
  3. Step 3: Cross multiply
    17,959.47x = 26,936.78 × 4,811.96
  4. Step 4: Simplify right side
    17,959.47x = 129,618,549.15
  5. Step 5: Solve for x
    x = 129,618,549.15/17,959.47
  6. Step 6: Final answer
    x = 7,217.28

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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.