Home / 12,568.23-18,817.92-9,632.79

Finding the Fourth Proportional to 12,568.23, 18,817.92 and 9,632.79

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Solution

The fourth proportional to 12,568.23, 18,817.92 and 9,632.79 is: 14,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.23 : 18,817.92 = 9,632.79 : x
  2. Step 2: Convert to fraction form
    12,568.23/18,817.92 = 9,632.79/x
  3. Step 3: Cross multiply
    12,568.23x = 18,817.92 × 9,632.79
  4. Step 4: Simplify right side
    12,568.23x = 181,269,071.60
  5. Step 5: Solve for x
    x = 181,269,071.60/12,568.23
  6. Step 6: Final answer
    x = 14,422.80

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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.