Home / 16,278.89-24,419.55-6,917.85

Finding the Fourth Proportional to 16,278.89, 24,419.55 and 6,917.85

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Solution

The fourth proportional to 16,278.89, 24,419.55 and 6,917.85 is: 10,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.89 : 24,419.55 = 6,917.85 : x
  2. Step 2: Convert to fraction form
    16,278.89/24,419.55 = 6,917.85/x
  3. Step 3: Cross multiply
    16,278.89x = 24,419.55 × 6,917.85
  4. Step 4: Simplify right side
    16,278.89x = 168,930,783.97
  5. Step 5: Solve for x
    x = 168,930,783.97/16,278.89
  6. Step 6: Final answer
    x = 10,377.29

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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.