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Finding the Fourth Proportional to 16,951.80, 25,427.70 and 14,327.40

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Solution

The fourth proportional to 16,951.80, 25,427.70 and 14,327.40 is: 21,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,951.80 : 25,427.70 = 14,327.40 : x
  2. Step 2: Convert to fraction form
    16,951.80/25,427.70 = 14,327.40/x
  3. Step 3: Cross multiply
    16,951.80x = 25,427.70 × 14,327.40
  4. Step 4: Simplify right side
    16,951.80x = 364,312,828.98
  5. Step 5: Solve for x
    x = 364,312,828.98/16,951.80
  6. Step 6: Final answer
    x = 21,491.10

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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.