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Finding the Fourth Proportional to 19,179.84, 26,468.16 and 10,796.16

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Solution

The fourth proportional to 19,179.84, 26,468.16 and 10,796.16 is: 14,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.84 : 26,468.16 = 10,796.16 : x
  2. Step 2: Convert to fraction form
    19,179.84/26,468.16 = 10,796.16/x
  3. Step 3: Cross multiply
    19,179.84x = 26,468.16 × 10,796.16
  4. Step 4: Simplify right side
    19,179.84x = 285,754,490.27
  5. Step 5: Solve for x
    x = 285,754,490.27/19,179.84
  6. Step 6: Final answer
    x = 14,898.69

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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.