Home / 15,857.35-23,789.67-4,764.25

Finding the Fourth Proportional to 15,857.35, 23,789.67 and 4,764.25

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Solution

The fourth proportional to 15,857.35, 23,789.67 and 4,764.25 is: 7,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.35 : 23,789.67 = 4,764.25 : x
  2. Step 2: Convert to fraction form
    15,857.35/23,789.67 = 4,764.25/x
  3. Step 3: Cross multiply
    15,857.35x = 23,789.67 × 4,764.25
  4. Step 4: Simplify right side
    15,857.35x = 113,339,935.30
  5. Step 5: Solve for x
    x = 113,339,935.30/15,857.35
  6. Step 6: Final answer
    x = 7,147.47

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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.