Home / 12,426.19-18,632.85-3,659.95

Finding the Fourth Proportional to 12,426.19, 18,632.85 and 3,659.95

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Solution

The fourth proportional to 12,426.19, 18,632.85 and 3,659.95 is: 5,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.19 : 18,632.85 = 3,659.95 : x
  2. Step 2: Convert to fraction form
    12,426.19/18,632.85 = 3,659.95/x
  3. Step 3: Cross multiply
    12,426.19x = 18,632.85 × 3,659.95
  4. Step 4: Simplify right side
    12,426.19x = 68,195,299.36
  5. Step 5: Solve for x
    x = 68,195,299.36/12,426.19
  6. Step 6: Final answer
    x = 5,488.03

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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.