Home / 33,326.80-45,990.85-18,219.45

Finding the Fourth Proportional to 33,326.80, 45,990.85 and 18,219.45

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Solution

The fourth proportional to 33,326.80, 45,990.85 and 18,219.45 is: 25,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.80 : 45,990.85 = 18,219.45 : x
  2. Step 2: Convert to fraction form
    33,326.80/45,990.85 = 18,219.45/x
  3. Step 3: Cross multiply
    33,326.80x = 45,990.85 × 18,219.45
  4. Step 4: Simplify right side
    33,326.80x = 837,927,992.03
  5. Step 5: Solve for x
    x = 837,927,992.03/33,326.80
  6. Step 6: Final answer
    x = 25,142.77

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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.