Home / 18,629.58-27,924.92-7,531.76

Finding the Fourth Proportional to 18,629.58, 27,924.92 and 7,531.76

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Solution

The fourth proportional to 18,629.58, 27,924.92 and 7,531.76 is: 11,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.58 : 27,924.92 = 7,531.76 : x
  2. Step 2: Convert to fraction form
    18,629.58/27,924.92 = 7,531.76/x
  3. Step 3: Cross multiply
    18,629.58x = 27,924.92 × 7,531.76
  4. Step 4: Simplify right side
    18,629.58x = 210,323,795.46
  5. Step 5: Solve for x
    x = 210,323,795.46/18,629.58
  6. Step 6: Final answer
    x = 11,289.78

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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.