Home / 14,399.22-19,870.09-8,025.60

Finding the Fourth Proportional to 14,399.22, 19,870.09 and 8,025.60

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Solution

The fourth proportional to 14,399.22, 19,870.09 and 8,025.60 is: 11,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.22 : 19,870.09 = 8,025.60 : x
  2. Step 2: Convert to fraction form
    14,399.22/19,870.09 = 8,025.60/x
  3. Step 3: Cross multiply
    14,399.22x = 19,870.09 × 8,025.60
  4. Step 4: Simplify right side
    14,399.22x = 159,469,394.30
  5. Step 5: Solve for x
    x = 159,469,394.30/14,399.22
  6. Step 6: Final answer
    x = 11,074.86

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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.