Home / 13,916.94-19,209.42-7,951.92

Finding the Fourth Proportional to 13,916.94, 19,209.42 and 7,951.92

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Solution

The fourth proportional to 13,916.94, 19,209.42 and 7,951.92 is: 10,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.94 : 19,209.42 = 7,951.92 : x
  2. Step 2: Convert to fraction form
    13,916.94/19,209.42 = 7,951.92/x
  3. Step 3: Cross multiply
    13,916.94x = 19,209.42 × 7,951.92
  4. Step 4: Simplify right side
    13,916.94x = 152,751,771.09
  5. Step 5: Solve for x
    x = 152,751,771.09/13,916.94
  6. Step 6: Final answer
    x = 10,975.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.