Home / 16,928.70-25,392.57-5,240.46

Finding the Fourth Proportional to 16,928.70, 25,392.57 and 5,240.46

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Solution

The fourth proportional to 16,928.70, 25,392.57 and 5,240.46 is: 7,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.70 : 25,392.57 = 5,240.46 : x
  2. Step 2: Convert to fraction form
    16,928.70/25,392.57 = 5,240.46/x
  3. Step 3: Cross multiply
    16,928.70x = 25,392.57 × 5,240.46
  4. Step 4: Simplify right side
    16,928.70x = 133,068,747.38
  5. Step 5: Solve for x
    x = 133,068,747.38/16,928.70
  6. Step 6: Final answer
    x = 7,860.54

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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.