Home / 19,439.80-29,194.90-17,020.60

Finding the Fourth Proportional to 19,439.80, 29,194.90 and 17,020.60

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Solution

The fourth proportional to 19,439.80, 29,194.90 and 17,020.60 is: 25,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.80 : 29,194.90 = 17,020.60 : x
  2. Step 2: Convert to fraction form
    19,439.80/29,194.90 = 17,020.60/x
  3. Step 3: Cross multiply
    19,439.80x = 29,194.90 × 17,020.60
  4. Step 4: Simplify right side
    19,439.80x = 496,914,714.94
  5. Step 5: Solve for x
    x = 496,914,714.94/19,439.80
  6. Step 6: Final answer
    x = 25,561.72

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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.