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Finding the Fourth Proportional to 14,254.66, 19,676.94 and 12,759.94

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Solution

The fourth proportional to 14,254.66, 19,676.94 and 12,759.94 is: 17,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.66 : 19,676.94 = 12,759.94 : x
  2. Step 2: Convert to fraction form
    14,254.66/19,676.94 = 12,759.94/x
  3. Step 3: Cross multiply
    14,254.66x = 19,676.94 × 12,759.94
  4. Step 4: Simplify right side
    14,254.66x = 251,076,573.78
  5. Step 5: Solve for x
    x = 251,076,573.78/14,254.66
  6. Step 6: Final answer
    x = 17,613.65

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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.