Home / 13,160.39-19,734.97-7,617.56

Finding the Fourth Proportional to 13,160.39, 19,734.97 and 7,617.56

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Solution

The fourth proportional to 13,160.39, 19,734.97 and 7,617.56 is: 11,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.39 : 19,734.97 = 7,617.56 : x
  2. Step 2: Convert to fraction form
    13,160.39/19,734.97 = 7,617.56/x
  3. Step 3: Cross multiply
    13,160.39x = 19,734.97 × 7,617.56
  4. Step 4: Simplify right side
    13,160.39x = 150,332,304.22
  5. Step 5: Solve for x
    x = 150,332,304.22/13,160.39
  6. Step 6: Final answer
    x = 11,423.09

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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.