Home / 19,198.46-28,779.18-9,842.87

Finding the Fourth Proportional to 19,198.46, 28,779.18 and 9,842.87

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Solution

The fourth proportional to 19,198.46, 28,779.18 and 9,842.87 is: 14,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.46 : 28,779.18 = 9,842.87 : x
  2. Step 2: Convert to fraction form
    19,198.46/28,779.18 = 9,842.87/x
  3. Step 3: Cross multiply
    19,198.46x = 28,779.18 × 9,842.87
  4. Step 4: Simplify right side
    19,198.46x = 283,269,583.55
  5. Step 5: Solve for x
    x = 283,269,583.55/19,198.46
  6. Step 6: Final answer
    x = 14,754.81

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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.