Home / 12,774.03-19,141.52-5,374.43

Finding the Fourth Proportional to 12,774.03, 19,141.52 and 5,374.43

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Solution

The fourth proportional to 12,774.03, 19,141.52 and 5,374.43 is: 8,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.03 : 19,141.52 = 5,374.43 : x
  2. Step 2: Convert to fraction form
    12,774.03/19,141.52 = 5,374.43/x
  3. Step 3: Cross multiply
    12,774.03x = 19,141.52 × 5,374.43
  4. Step 4: Simplify right side
    12,774.03x = 102,874,759.33
  5. Step 5: Solve for x
    x = 102,874,759.33/12,774.03
  6. Step 6: Final answer
    x = 8,053.43

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1.5x scale

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.