Home / 22,176.81-30,602.97-12,105.27

Finding the Fourth Proportional to 22,176.81, 30,602.97 and 12,105.27

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Solution

The fourth proportional to 22,176.81, 30,602.97 and 12,105.27 is: 16,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.81 : 30,602.97 = 12,105.27 : x
  2. Step 2: Convert to fraction form
    22,176.81/30,602.97 = 12,105.27/x
  3. Step 3: Cross multiply
    22,176.81x = 30,602.97 × 12,105.27
  4. Step 4: Simplify right side
    22,176.81x = 370,457,214.65
  5. Step 5: Solve for x
    x = 370,457,214.65/22,176.81
  6. Step 6: Final answer
    x = 16,704.71

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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.