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Finding the Fourth Proportional to 16,714.18, 25,068.12 and 8,391.94

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Solution

The fourth proportional to 16,714.18, 25,068.12 and 8,391.94 is: 12,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,714.18 : 25,068.12 = 8,391.94 : x
  2. Step 2: Convert to fraction form
    16,714.18/25,068.12 = 8,391.94/x
  3. Step 3: Cross multiply
    16,714.18x = 25,068.12 × 8,391.94
  4. Step 4: Simplify right side
    16,714.18x = 210,370,158.95
  5. Step 5: Solve for x
    x = 210,370,158.95/16,714.18
  6. Step 6: Final answer
    x = 12,586.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.