Home / 29,419.65-40,608.41-18,809.33

Finding the Fourth Proportional to 29,419.65, 40,608.41 and 18,809.33

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Solution

The fourth proportional to 29,419.65, 40,608.41 and 18,809.33 is: 25,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.65 : 40,608.41 = 18,809.33 : x
  2. Step 2: Convert to fraction form
    29,419.65/40,608.41 = 18,809.33/x
  3. Step 3: Cross multiply
    29,419.65x = 40,608.41 × 18,809.33
  4. Step 4: Simplify right side
    29,419.65x = 763,816,687.38
  5. Step 5: Solve for x
    x = 763,816,687.38/29,419.65
  6. Step 6: Final answer
    x = 25,962.81

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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.