Home / 13,600.91-18,766.89-7,632.83

Finding the Fourth Proportional to 13,600.91, 18,766.89 and 7,632.83

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Solution

The fourth proportional to 13,600.91, 18,766.89 and 7,632.83 is: 10,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.91 : 18,766.89 = 7,632.83 : x
  2. Step 2: Convert to fraction form
    13,600.91/18,766.89 = 7,632.83/x
  3. Step 3: Cross multiply
    13,600.91x = 18,766.89 × 7,632.83
  4. Step 4: Simplify right side
    13,600.91x = 143,244,527.92
  5. Step 5: Solve for x
    x = 143,244,527.92/13,600.91
  6. Step 6: Final answer
    x = 10,531.98

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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.