Home / 33,326.22-45,990.28-18,219.18

Finding the Fourth Proportional to 33,326.22, 45,990.28 and 18,219.18

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Solution

The fourth proportional to 33,326.22, 45,990.28 and 18,219.18 is: 25,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.22 : 45,990.28 = 18,219.18 : x
  2. Step 2: Convert to fraction form
    33,326.22/45,990.28 = 18,219.18/x
  3. Step 3: Cross multiply
    33,326.22x = 45,990.28 × 18,219.18
  4. Step 4: Simplify right side
    33,326.22x = 837,905,189.57
  5. Step 5: Solve for x
    x = 837,905,189.57/33,326.22
  6. Step 6: Final answer
    x = 25,142.52

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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.