Home / 33,019.04-45,556.32-20,259.12

Finding the Fourth Proportional to 33,019.04, 45,556.32 and 20,259.12

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Solution

The fourth proportional to 33,019.04, 45,556.32 and 20,259.12 is: 27,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.04 : 45,556.32 = 20,259.12 : x
  2. Step 2: Convert to fraction form
    33,019.04/45,556.32 = 20,259.12/x
  3. Step 3: Cross multiply
    33,019.04x = 45,556.32 × 20,259.12
  4. Step 4: Simplify right side
    33,019.04x = 922,930,953.64
  5. Step 5: Solve for x
    x = 922,930,953.64/33,019.04
  6. Step 6: Final answer
    x = 27,951.48

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.