Home / 33,105.64-45,685.60-18,768.18

Finding the Fourth Proportional to 33,105.64, 45,685.60 and 18,768.18

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Solution

The fourth proportional to 33,105.64, 45,685.60 and 18,768.18 is: 25,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,105.64 : 45,685.60 = 18,768.18 : x
  2. Step 2: Convert to fraction form
    33,105.64/45,685.60 = 18,768.18/x
  3. Step 3: Cross multiply
    33,105.64x = 45,685.60 × 18,768.18
  4. Step 4: Simplify right side
    33,105.64x = 857,435,564.21
  5. Step 5: Solve for x
    x = 857,435,564.21/33,105.64
  6. Step 6: Final answer
    x = 25,899.98

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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.