Home / 33,142.60-45,736.72-18,805.24

Finding the Fourth Proportional to 33,142.60, 45,736.72 and 18,805.24

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Solution

The fourth proportional to 33,142.60, 45,736.72 and 18,805.24 is: 25,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.60 : 45,736.72 = 18,805.24 : x
  2. Step 2: Convert to fraction form
    33,142.60/45,736.72 = 18,805.24/x
  3. Step 3: Cross multiply
    33,142.60x = 45,736.72 × 18,805.24
  4. Step 4: Simplify right side
    33,142.60x = 860,090,134.26
  5. Step 5: Solve for x
    x = 860,090,134.26/33,142.60
  6. Step 6: Final answer
    x = 25,951.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.