Home / 18,939.22-26,136.31-10,441.68

Finding the Fourth Proportional to 18,939.22, 26,136.31 and 10,441.68

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Solution

The fourth proportional to 18,939.22, 26,136.31 and 10,441.68 is: 14,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.22 : 26,136.31 = 10,441.68 : x
  2. Step 2: Convert to fraction form
    18,939.22/26,136.31 = 10,441.68/x
  3. Step 3: Cross multiply
    18,939.22x = 26,136.31 × 10,441.68
  4. Step 4: Simplify right side
    18,939.22x = 272,906,871.65
  5. Step 5: Solve for x
    x = 272,906,871.65/18,939.22
  6. Step 6: Final answer
    x = 14,409.61

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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.