Home / 33,066.03-45,628.08-18,918.57

Finding the Fourth Proportional to 33,066.03, 45,628.08 and 18,918.57

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Solution

The fourth proportional to 33,066.03, 45,628.08 and 18,918.57 is: 26,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,066.03 : 45,628.08 = 18,918.57 : x
  2. Step 2: Convert to fraction form
    33,066.03/45,628.08 = 18,918.57/x
  3. Step 3: Cross multiply
    33,066.03x = 45,628.08 × 18,918.57
  4. Step 4: Simplify right side
    33,066.03x = 863,218,025.45
  5. Step 5: Solve for x
    x = 863,218,025.45/33,066.03
  6. Step 6: Final answer
    x = 26,105.89

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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.