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Finding the Fourth Proportional to 14,235.35, 21,311.51 and 8,294.10

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Solution

The fourth proportional to 14,235.35, 21,311.51 and 8,294.10 is: 12,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.35 : 21,311.51 = 8,294.10 : x
  2. Step 2: Convert to fraction form
    14,235.35/21,311.51 = 8,294.10/x
  3. Step 3: Cross multiply
    14,235.35x = 21,311.51 × 8,294.10
  4. Step 4: Simplify right side
    14,235.35x = 176,759,673.70
  5. Step 5: Solve for x
    x = 176,759,673.70/14,235.35
  6. Step 6: Final answer
    x = 12,416.96

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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.