Home / 18,610.14-27,915.52-6,131.49

Finding the Fourth Proportional to 18,610.14, 27,915.52 and 6,131.49

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Solution

The fourth proportional to 18,610.14, 27,915.52 and 6,131.49 is: 9,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.14 : 27,915.52 = 6,131.49 : x
  2. Step 2: Convert to fraction form
    18,610.14/27,915.52 = 6,131.49/x
  3. Step 3: Cross multiply
    18,610.14x = 27,915.52 × 6,131.49
  4. Step 4: Simplify right side
    18,610.14x = 171,163,731.72
  5. Step 5: Solve for x
    x = 171,163,731.72/18,610.14
  6. Step 6: Final answer
    x = 9,197.34

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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.