Home / 15,729.30-23,588.97-5,197.38

Finding the Fourth Proportional to 15,729.30, 23,588.97 and 5,197.38

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Solution

The fourth proportional to 15,729.30, 23,588.97 and 5,197.38 is: 7,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.30 : 23,588.97 = 5,197.38 : x
  2. Step 2: Convert to fraction form
    15,729.30/23,588.97 = 5,197.38/x
  3. Step 3: Cross multiply
    15,729.30x = 23,588.97 × 5,197.38
  4. Step 4: Simplify right side
    15,729.30x = 122,600,840.90
  5. Step 5: Solve for x
    x = 122,600,840.90/15,729.30
  6. Step 6: Final answer
    x = 7,794.42

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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.