Home / 16,351.68-24,491.76-12,644.16

Finding the Fourth Proportional to 16,351.68, 24,491.76 and 12,644.16

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Solution

The fourth proportional to 16,351.68, 24,491.76 and 12,644.16 is: 18,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,351.68 : 24,491.76 = 12,644.16 : x
  2. Step 2: Convert to fraction form
    16,351.68/24,491.76 = 12,644.16/x
  3. Step 3: Cross multiply
    16,351.68x = 24,491.76 × 12,644.16
  4. Step 4: Simplify right side
    16,351.68x = 309,677,732.12
  5. Step 5: Solve for x
    x = 309,677,732.12/16,351.68
  6. Step 6: Final answer
    x = 18,938.59

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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.