Home / 19,175.03-28,764.50-7,338.75

Finding the Fourth Proportional to 19,175.03, 28,764.50 and 7,338.75

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Solution

The fourth proportional to 19,175.03, 28,764.50 and 7,338.75 is: 11,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.03 : 28,764.50 = 7,338.75 : x
  2. Step 2: Convert to fraction form
    19,175.03/28,764.50 = 7,338.75/x
  3. Step 3: Cross multiply
    19,175.03x = 28,764.50 × 7,338.75
  4. Step 4: Simplify right side
    19,175.03x = 211,095,555.46
  5. Step 5: Solve for x
    x = 211,095,555.46/19,175.03
  6. Step 6: Final answer
    x = 11,008.88

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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.