Home / 33,327.60-45,992.08-18,220.32

Finding the Fourth Proportional to 33,327.60, 45,992.08 and 18,220.32

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Solution

The fourth proportional to 33,327.60, 45,992.08 and 18,220.32 is: 25,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,327.60 : 45,992.08 = 18,220.32 : x
  2. Step 2: Convert to fraction form
    33,327.60/45,992.08 = 18,220.32/x
  3. Step 3: Cross multiply
    33,327.60x = 45,992.08 × 18,220.32
  4. Step 4: Simplify right side
    33,327.60x = 837,990,415.07
  5. Step 5: Solve for x
    x = 837,990,415.07/33,327.60
  6. Step 6: Final answer
    x = 25,144.04

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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.