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Finding the Fourth Proportional to 14,893.52, 20,568.36 and 12,894.48

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Solution

The fourth proportional to 14,893.52, 20,568.36 and 12,894.48 is: 17,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.52 : 20,568.36 = 12,894.48 : x
  2. Step 2: Convert to fraction form
    14,893.52/20,568.36 = 12,894.48/x
  3. Step 3: Cross multiply
    14,893.52x = 20,568.36 × 12,894.48
  4. Step 4: Simplify right side
    14,893.52x = 265,218,306.65
  5. Step 5: Solve for x
    x = 265,218,306.65/14,893.52
  6. Step 6: Final answer
    x = 17,807.63

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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.