Home / 17,118.62-25,660.31-8,342.67

Finding the Fourth Proportional to 17,118.62, 25,660.31 and 8,342.67

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Solution

The fourth proportional to 17,118.62, 25,660.31 and 8,342.67 is: 12,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.62 : 25,660.31 = 8,342.67 : x
  2. Step 2: Convert to fraction form
    17,118.62/25,660.31 = 8,342.67/x
  3. Step 3: Cross multiply
    17,118.62x = 25,660.31 × 8,342.67
  4. Step 4: Simplify right side
    17,118.62x = 214,075,456.71
  5. Step 5: Solve for x
    x = 214,075,456.71/17,118.62
  6. Step 6: Final answer
    x = 12,505.42

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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.