Home / 16,877.46-25,313.94-5,189.70

Finding the Fourth Proportional to 16,877.46, 25,313.94 and 5,189.70

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Solution

The fourth proportional to 16,877.46, 25,313.94 and 5,189.70 is: 7,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.46 : 25,313.94 = 5,189.70 : x
  2. Step 2: Convert to fraction form
    16,877.46/25,313.94 = 5,189.70/x
  3. Step 3: Cross multiply
    16,877.46x = 25,313.94 × 5,189.70
  4. Step 4: Simplify right side
    16,877.46x = 131,371,754.42
  5. Step 5: Solve for x
    x = 131,371,754.42/16,877.46
  6. Step 6: Final answer
    x = 7,783.86

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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.