Home / 13,913.57-19,195.92-7,863.08

Finding the Fourth Proportional to 13,913.57, 19,195.92 and 7,863.08

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Solution

The fourth proportional to 13,913.57, 19,195.92 and 7,863.08 is: 10,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.57 : 19,195.92 = 7,863.08 : x
  2. Step 2: Convert to fraction form
    13,913.57/19,195.92 = 7,863.08/x
  3. Step 3: Cross multiply
    13,913.57x = 19,195.92 × 7,863.08
  4. Step 4: Simplify right side
    13,913.57x = 150,938,958.65
  5. Step 5: Solve for x
    x = 150,938,958.65/13,913.57
  6. Step 6: Final answer
    x = 10,848.33

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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.