Home / 16,912.10-25,368.15-16,105.70

Finding the Fourth Proportional to 16,912.10, 25,368.15 and 16,105.70

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Solution

The fourth proportional to 16,912.10, 25,368.15 and 16,105.70 is: 24,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.10 : 25,368.15 = 16,105.70 : x
  2. Step 2: Convert to fraction form
    16,912.10/25,368.15 = 16,105.70/x
  3. Step 3: Cross multiply
    16,912.10x = 25,368.15 × 16,105.70
  4. Step 4: Simplify right side
    16,912.10x = 408,571,813.46
  5. Step 5: Solve for x
    x = 408,571,813.46/16,912.10
  6. Step 6: Final answer
    x = 24,158.55

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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.