Home / 18,785.77-25,928.63-11,710.83

Finding the Fourth Proportional to 18,785.77, 25,928.63 and 11,710.83

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Solution

The fourth proportional to 18,785.77, 25,928.63 and 11,710.83 is: 16,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.77 : 25,928.63 = 11,710.83 : x
  2. Step 2: Convert to fraction form
    18,785.77/25,928.63 = 11,710.83/x
  3. Step 3: Cross multiply
    18,785.77x = 25,928.63 × 11,710.83
  4. Step 4: Simplify right side
    18,785.77x = 303,645,747.74
  5. Step 5: Solve for x
    x = 303,645,747.74/18,785.77
  6. Step 6: Final answer
    x = 16,163.60

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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.