Home / 33,120.63-45,706.02-18,012.97

Finding the Fourth Proportional to 33,120.63, 45,706.02 and 18,012.97

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Solution

The fourth proportional to 33,120.63, 45,706.02 and 18,012.97 is: 24,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.63 : 45,706.02 = 18,012.97 : x
  2. Step 2: Convert to fraction form
    33,120.63/45,706.02 = 18,012.97/x
  3. Step 3: Cross multiply
    33,120.63x = 45,706.02 × 18,012.97
  4. Step 4: Simplify right side
    33,120.63x = 823,300,938.55
  5. Step 5: Solve for x
    x = 823,300,938.55/33,120.63
  6. Step 6: Final answer
    x = 24,857.65

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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.