Home / 17,090.43-25,635.48-5,403.65

Finding the Fourth Proportional to 17,090.43, 25,635.48 and 5,403.65

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Solution

The fourth proportional to 17,090.43, 25,635.48 and 5,403.65 is: 8,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.43 : 25,635.48 = 5,403.65 : x
  2. Step 2: Convert to fraction form
    17,090.43/25,635.48 = 5,403.65/x
  3. Step 3: Cross multiply
    17,090.43x = 25,635.48 × 5,403.65
  4. Step 4: Simplify right side
    17,090.43x = 138,525,161.50
  5. Step 5: Solve for x
    x = 138,525,161.50/17,090.43
  6. Step 6: Final answer
    x = 8,105.42

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Half scale
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Double scale
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Similar ratio
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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.