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Finding the Fourth Proportional to 18,797.65, 25,943.52 and 10,838.32

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Solution

The fourth proportional to 18,797.65, 25,943.52 and 10,838.32 is: 14,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.65 : 25,943.52 = 10,838.32 : x
  2. Step 2: Convert to fraction form
    18,797.65/25,943.52 = 10,838.32/x
  3. Step 3: Cross multiply
    18,797.65x = 25,943.52 × 10,838.32
  4. Step 4: Simplify right side
    18,797.65x = 281,184,171.69
  5. Step 5: Solve for x
    x = 281,184,171.69/18,797.65
  6. Step 6: Final answer
    x = 14,958.47

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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.