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Finding the Fourth Proportional to 19,293.42, 26,623.50 and 10,794.42

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Solution

The fourth proportional to 19,293.42, 26,623.50 and 10,794.42 is: 14,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.42 : 26,623.50 = 10,794.42 : x
  2. Step 2: Convert to fraction form
    19,293.42/26,623.50 = 10,794.42/x
  3. Step 3: Cross multiply
    19,293.42x = 26,623.50 × 10,794.42
  4. Step 4: Simplify right side
    19,293.42x = 287,385,240.87
  5. Step 5: Solve for x
    x = 287,385,240.87/19,293.42
  6. Step 6: Final answer
    x = 14,895.51

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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.