Home / 18,319.62-25,281.63-10,361.69

Finding the Fourth Proportional to 18,319.62, 25,281.63 and 10,361.69

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Solution

The fourth proportional to 18,319.62, 25,281.63 and 10,361.69 is: 14,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.62 : 25,281.63 = 10,361.69 : x
  2. Step 2: Convert to fraction form
    18,319.62/25,281.63 = 10,361.69/x
  3. Step 3: Cross multiply
    18,319.62x = 25,281.63 × 10,361.69
  4. Step 4: Simplify right side
    18,319.62x = 261,960,234.54
  5. Step 5: Solve for x
    x = 261,960,234.54/18,319.62
  6. Step 6: Final answer
    x = 14,299.44

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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.