Home / 18,795.58-25,928.31-11,719.42

Finding the Fourth Proportional to 18,795.58, 25,928.31 and 11,719.42

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Solution

The fourth proportional to 18,795.58, 25,928.31 and 11,719.42 is: 16,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.58 : 25,928.31 = 11,719.42 : x
  2. Step 2: Convert to fraction form
    18,795.58/25,928.31 = 11,719.42/x
  3. Step 3: Cross multiply
    18,795.58x = 25,928.31 × 11,719.42
  4. Step 4: Simplify right side
    18,795.58x = 303,864,754.78
  5. Step 5: Solve for x
    x = 303,864,754.78/18,795.58
  6. Step 6: Final answer
    x = 16,166.82

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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.