Home / 15,859.76-23,789.68-4,767.60

Finding the Fourth Proportional to 15,859.76, 23,789.68 and 4,767.60

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Solution

The fourth proportional to 15,859.76, 23,789.68 and 4,767.60 is: 7,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.76 : 23,789.68 = 4,767.60 : x
  2. Step 2: Convert to fraction form
    15,859.76/23,789.68 = 4,767.60/x
  3. Step 3: Cross multiply
    15,859.76x = 23,789.68 × 4,767.60
  4. Step 4: Simplify right side
    15,859.76x = 113,419,678.37
  5. Step 5: Solve for x
    x = 113,419,678.37/15,859.76
  6. Step 6: Final answer
    x = 7,151.41

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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.