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Finding the Fourth Proportional to 16,808.10, 25,212.18 and 14,216.10

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Solution

The fourth proportional to 16,808.10, 25,212.18 and 14,216.10 is: 21,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.10 : 25,212.18 = 14,216.10 : x
  2. Step 2: Convert to fraction form
    16,808.10/25,212.18 = 14,216.10/x
  3. Step 3: Cross multiply
    16,808.10x = 25,212.18 × 14,216.10
  4. Step 4: Simplify right side
    16,808.10x = 358,418,872.10
  5. Step 5: Solve for x
    x = 358,418,872.10/16,808.10
  6. Step 6: Final answer
    x = 21,324.18

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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.