Home / 16,838.40-25,266.78-8,072.04

Finding the Fourth Proportional to 16,838.40, 25,266.78 and 8,072.04

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Solution

The fourth proportional to 16,838.40, 25,266.78 and 8,072.04 is: 12,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.40 : 25,266.78 = 8,072.04 : x
  2. Step 2: Convert to fraction form
    16,838.40/25,266.78 = 8,072.04/x
  3. Step 3: Cross multiply
    16,838.40x = 25,266.78 × 8,072.04
  4. Step 4: Simplify right side
    16,838.40x = 203,954,458.83
  5. Step 5: Solve for x
    x = 203,954,458.83/16,838.40
  6. Step 6: Final answer
    x = 12,112.46

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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.