Home / 35,481.89-53,215.97-11,785.74

Finding the Fourth Proportional to 35,481.89, 53,215.97 and 11,785.74

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Solution

The fourth proportional to 35,481.89, 53,215.97 and 11,785.74 is: 17,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.89 : 53,215.97 = 11,785.74 : x
  2. Step 2: Convert to fraction form
    35,481.89/53,215.97 = 11,785.74/x
  3. Step 3: Cross multiply
    35,481.89x = 53,215.97 × 11,785.74
  4. Step 4: Simplify right side
    35,481.89x = 627,189,527.34
  5. Step 5: Solve for x
    x = 627,189,527.34/35,481.89
  6. Step 6: Final answer
    x = 17,676.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.