Home / 30,528.21-45,789.48-11,796.96

Finding the Fourth Proportional to 30,528.21, 45,789.48 and 11,796.96

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Solution

The fourth proportional to 30,528.21, 45,789.48 and 11,796.96 is: 17,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.21 : 45,789.48 = 11,796.96 : x
  2. Step 2: Convert to fraction form
    30,528.21/45,789.48 = 11,796.96/x
  3. Step 3: Cross multiply
    30,528.21x = 45,789.48 × 11,796.96
  4. Step 4: Simplify right side
    30,528.21x = 540,176,663.98
  5. Step 5: Solve for x
    x = 540,176,663.98/30,528.21
  6. Step 6: Final answer
    x = 17,694.34

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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.