Home / 33,326.46-45,990.39-18,219.12

Finding the Fourth Proportional to 33,326.46, 45,990.39 and 18,219.12

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Solution

The fourth proportional to 33,326.46, 45,990.39 and 18,219.12 is: 25,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.46 : 45,990.39 = 18,219.12 : x
  2. Step 2: Convert to fraction form
    33,326.46/45,990.39 = 18,219.12/x
  3. Step 3: Cross multiply
    33,326.46x = 45,990.39 × 18,219.12
  4. Step 4: Simplify right side
    33,326.46x = 837,904,434.26
  5. Step 5: Solve for x
    x = 837,904,434.26/33,326.46
  6. Step 6: Final answer
    x = 25,142.32

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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.