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Finding the Fourth Proportional to 14,293.67, 19,724.99 and 8,997.48

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Solution

The fourth proportional to 14,293.67, 19,724.99 and 8,997.48 is: 12,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.67 : 19,724.99 = 8,997.48 : x
  2. Step 2: Convert to fraction form
    14,293.67/19,724.99 = 8,997.48/x
  3. Step 3: Cross multiply
    14,293.67x = 19,724.99 × 8,997.48
  4. Step 4: Simplify right side
    14,293.67x = 177,475,158.04
  5. Step 5: Solve for x
    x = 177,475,158.04/14,293.67
  6. Step 6: Final answer
    x = 12,416.35

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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.