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Finding the Fourth Proportional to 14,462.65, 19,958.74 and 8,797.65

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Solution

The fourth proportional to 14,462.65, 19,958.74 and 8,797.65 is: 12,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,462.65 : 19,958.74 = 8,797.65 : x
  2. Step 2: Convert to fraction form
    14,462.65/19,958.74 = 8,797.65/x
  3. Step 3: Cross multiply
    14,462.65x = 19,958.74 × 8,797.65
  4. Step 4: Simplify right side
    14,462.65x = 175,589,912.12
  5. Step 5: Solve for x
    x = 175,589,912.12/14,462.65
  6. Step 6: Final answer
    x = 12,140.92

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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.