Home / 12,968.90-19,456.43-5,573.43

Finding the Fourth Proportional to 12,968.90, 19,456.43 and 5,573.43

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Solution

The fourth proportional to 12,968.90, 19,456.43 and 5,573.43 is: 8,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.90 : 19,456.43 = 5,573.43 : x
  2. Step 2: Convert to fraction form
    12,968.90/19,456.43 = 5,573.43/x
  3. Step 3: Cross multiply
    12,968.90x = 19,456.43 × 5,573.43
  4. Step 4: Simplify right side
    12,968.90x = 108,439,050.65
  5. Step 5: Solve for x
    x = 108,439,050.65/12,968.90
  6. Step 6: Final answer
    x = 8,361.47

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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.