Home / 33,003.10-45,543.66-18,662.74

Finding the Fourth Proportional to 33,003.10, 45,543.66 and 18,662.74

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Solution

The fourth proportional to 33,003.10, 45,543.66 and 18,662.74 is: 25,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,003.10 : 45,543.66 = 18,662.74 : x
  2. Step 2: Convert to fraction form
    33,003.10/45,543.66 = 18,662.74/x
  3. Step 3: Cross multiply
    33,003.10x = 45,543.66 × 18,662.74
  4. Step 4: Simplify right side
    33,003.10x = 849,969,485.23
  5. Step 5: Solve for x
    x = 849,969,485.23/33,003.10
  6. Step 6: Final answer
    x = 25,754.23

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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.