Home / 14,449.24-19,942.62-9,140.44

Finding the Fourth Proportional to 14,449.24, 19,942.62 and 9,140.44

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Solution

The fourth proportional to 14,449.24, 19,942.62 and 9,140.44 is: 12,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.24 : 19,942.62 = 9,140.44 : x
  2. Step 2: Convert to fraction form
    14,449.24/19,942.62 = 9,140.44/x
  3. Step 3: Cross multiply
    14,449.24x = 19,942.62 × 9,140.44
  4. Step 4: Simplify right side
    14,449.24x = 182,284,321.55
  5. Step 5: Solve for x
    x = 182,284,321.55/14,449.24
  6. Step 6: Final answer
    x = 12,615.50

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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.