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Finding the Fourth Proportional to 14,246.88, 19,660.32 and 7,873.44

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Solution

The fourth proportional to 14,246.88, 19,660.32 and 7,873.44 is: 10,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.88 : 19,660.32 = 7,873.44 : x
  2. Step 2: Convert to fraction form
    14,246.88/19,660.32 = 7,873.44/x
  3. Step 3: Cross multiply
    14,246.88x = 19,660.32 × 7,873.44
  4. Step 4: Simplify right side
    14,246.88x = 154,794,349.90
  5. Step 5: Solve for x
    x = 154,794,349.90/14,246.88
  6. Step 6: Final answer
    x = 10,865.14

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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.