Home / 22,195.48-30,635.94-12,767.08

Finding the Fourth Proportional to 22,195.48, 30,635.94 and 12,767.08

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Solution

The fourth proportional to 22,195.48, 30,635.94 and 12,767.08 is: 17,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.48 : 30,635.94 = 12,767.08 : x
  2. Step 2: Convert to fraction form
    22,195.48/30,635.94 = 12,767.08/x
  3. Step 3: Cross multiply
    22,195.48x = 30,635.94 × 12,767.08
  4. Step 4: Simplify right side
    22,195.48x = 391,131,496.86
  5. Step 5: Solve for x
    x = 391,131,496.86/22,195.48
  6. Step 6: Final answer
    x = 17,622.12

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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.