Home / 22,189.11-30,623.97-14,123.57

Finding the Fourth Proportional to 22,189.11, 30,623.97 and 14,123.57

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Solution

The fourth proportional to 22,189.11, 30,623.97 and 14,123.57 is: 19,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.11 : 30,623.97 = 14,123.57 : x
  2. Step 2: Convert to fraction form
    22,189.11/30,623.97 = 14,123.57/x
  3. Step 3: Cross multiply
    22,189.11x = 30,623.97 × 14,123.57
  4. Step 4: Simplify right side
    22,189.11x = 432,519,630.85
  5. Step 5: Solve for x
    x = 432,519,630.85/22,189.11
  6. Step 6: Final answer
    x = 19,492.43

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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.