Home / 22,213.17-30,653.70-12,141.68

Finding the Fourth Proportional to 22,213.17, 30,653.70 and 12,141.68

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Solution

The fourth proportional to 22,213.17, 30,653.70 and 12,141.68 is: 16,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.17 : 30,653.70 = 12,141.68 : x
  2. Step 2: Convert to fraction form
    22,213.17/30,653.70 = 12,141.68/x
  3. Step 3: Cross multiply
    22,213.17x = 30,653.70 × 12,141.68
  4. Step 4: Simplify right side
    22,213.17x = 372,187,416.22
  5. Step 5: Solve for x
    x = 372,187,416.22/22,213.17
  6. Step 6: Final answer
    x = 16,755.26

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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.