Home / 16,872.28-23,285.06-12,416.48

Finding the Fourth Proportional to 16,872.28, 23,285.06 and 12,416.48

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Solution

The fourth proportional to 16,872.28, 23,285.06 and 12,416.48 is: 17,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.28 : 23,285.06 = 12,416.48 : x
  2. Step 2: Convert to fraction form
    16,872.28/23,285.06 = 12,416.48/x
  3. Step 3: Cross multiply
    16,872.28x = 23,285.06 × 12,416.48
  4. Step 4: Simplify right side
    16,872.28x = 289,118,481.79
  5. Step 5: Solve for x
    x = 289,118,481.79/16,872.28
  6. Step 6: Final answer
    x = 17,135.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.