Home / 19,530.35-29,296.88-7,843.56

Finding the Fourth Proportional to 19,530.35, 29,296.88 and 7,843.56

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Solution

The fourth proportional to 19,530.35, 29,296.88 and 7,843.56 is: 11,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.35 : 29,296.88 = 7,843.56 : x
  2. Step 2: Convert to fraction form
    19,530.35/29,296.88 = 7,843.56/x
  3. Step 3: Cross multiply
    19,530.35x = 29,296.88 × 7,843.56
  4. Step 4: Simplify right side
    19,530.35x = 229,791,836.09
  5. Step 5: Solve for x
    x = 229,791,836.09/19,530.35
  6. Step 6: Final answer
    x = 11,765.88

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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.