Home / 33,127.96-45,716.78-18,020.76

Finding the Fourth Proportional to 33,127.96, 45,716.78 and 18,020.76

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Solution

The fourth proportional to 33,127.96, 45,716.78 and 18,020.76 is: 24,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.96 : 45,716.78 = 18,020.76 : x
  2. Step 2: Convert to fraction form
    33,127.96/45,716.78 = 18,020.76/x
  3. Step 3: Cross multiply
    33,127.96x = 45,716.78 × 18,020.76
  4. Step 4: Simplify right side
    33,127.96x = 823,851,120.35
  5. Step 5: Solve for x
    x = 823,851,120.35/33,127.96
  6. Step 6: Final answer
    x = 24,868.75

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Half scale
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Double scale
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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.