Home / 13,760.52-18,992.91-7,795.70

Finding the Fourth Proportional to 13,760.52, 18,992.91 and 7,795.70

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Solution

The fourth proportional to 13,760.52, 18,992.91 and 7,795.70 is: 10,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.52 : 18,992.91 = 7,795.70 : x
  2. Step 2: Convert to fraction form
    13,760.52/18,992.91 = 7,795.70/x
  3. Step 3: Cross multiply
    13,760.52x = 18,992.91 × 7,795.70
  4. Step 4: Simplify right side
    13,760.52x = 148,063,028.49
  5. Step 5: Solve for x
    x = 148,063,028.49/13,760.52
  6. Step 6: Final answer
    x = 10,759.99

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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.