Home / 19,175.49-28,763.07-4,943.91

Finding the Fourth Proportional to 19,175.49, 28,763.07 and 4,943.91

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Solution

The fourth proportional to 19,175.49, 28,763.07 and 4,943.91 is: 7,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.49 : 28,763.07 = 4,943.91 : x
  2. Step 2: Convert to fraction form
    19,175.49/28,763.07 = 4,943.91/x
  3. Step 3: Cross multiply
    19,175.49x = 28,763.07 × 4,943.91
  4. Step 4: Simplify right side
    19,175.49x = 142,202,029.40
  5. Step 5: Solve for x
    x = 142,202,029.40/19,175.49
  6. Step 6: Final answer
    x = 7,415.82

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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.