Home / 18,735.57-25,856.24-10,777.61

Finding the Fourth Proportional to 18,735.57, 25,856.24 and 10,777.61

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Solution

The fourth proportional to 18,735.57, 25,856.24 and 10,777.61 is: 14,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.57 : 25,856.24 = 10,777.61 : x
  2. Step 2: Convert to fraction form
    18,735.57/25,856.24 = 10,777.61/x
  3. Step 3: Cross multiply
    18,735.57x = 25,856.24 × 10,777.61
  4. Step 4: Simplify right side
    18,735.57x = 278,668,287.62
  5. Step 5: Solve for x
    x = 278,668,287.62/18,735.57
  6. Step 6: Final answer
    x = 14,873.76

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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.