Home / 22,176.40-33,242.10-18,939.64

Finding the Fourth Proportional to 22,176.40, 33,242.10 and 18,939.64

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Solution

The fourth proportional to 22,176.40, 33,242.10 and 18,939.64 is: 28,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.40 : 33,242.10 = 18,939.64 : x
  2. Step 2: Convert to fraction form
    22,176.40/33,242.10 = 18,939.64/x
  3. Step 3: Cross multiply
    22,176.40x = 33,242.10 × 18,939.64
  4. Step 4: Simplify right side
    22,176.40x = 629,593,406.84
  5. Step 5: Solve for x
    x = 629,593,406.84/22,176.40
  6. Step 6: Final answer
    x = 28,390.24

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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.