Home / 33,133.37-45,725.31-18,988.95

Finding the Fourth Proportional to 33,133.37, 45,725.31 and 18,988.95

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Solution

The fourth proportional to 33,133.37, 45,725.31 and 18,988.95 is: 26,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.37 : 45,725.31 = 18,988.95 : x
  2. Step 2: Convert to fraction form
    33,133.37/45,725.31 = 18,988.95/x
  3. Step 3: Cross multiply
    33,133.37x = 45,725.31 × 18,988.95
  4. Step 4: Simplify right side
    33,133.37x = 868,275,625.32
  5. Step 5: Solve for x
    x = 868,275,625.32/33,133.37
  6. Step 6: Final answer
    x = 26,205.48

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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.