Home / 17,092.43-25,638.48-5,405.65

Finding the Fourth Proportional to 17,092.43, 25,638.48 and 5,405.65

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Solution

The fourth proportional to 17,092.43, 25,638.48 and 5,405.65 is: 8,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092.43 : 25,638.48 = 5,405.65 : x
  2. Step 2: Convert to fraction form
    17,092.43/25,638.48 = 5,405.65/x
  3. Step 3: Cross multiply
    17,092.43x = 25,638.48 × 5,405.65
  4. Step 4: Simplify right side
    17,092.43x = 138,592,649.41
  5. Step 5: Solve for x
    x = 138,592,649.41/17,092.43
  6. Step 6: Final answer
    x = 8,108.42

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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.