Home / 22,372.19-30,872.96-12,300.62

Finding the Fourth Proportional to 22,372.19, 30,872.96 and 12,300.62

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Solution

The fourth proportional to 22,372.19, 30,872.96 and 12,300.62 is: 16,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.19 : 30,872.96 = 12,300.62 : x
  2. Step 2: Convert to fraction form
    22,372.19/30,872.96 = 12,300.62/x
  3. Step 3: Cross multiply
    22,372.19x = 30,872.96 × 12,300.62
  4. Step 4: Simplify right side
    22,372.19x = 379,756,425.62
  5. Step 5: Solve for x
    x = 379,756,425.62/22,372.19
  6. Step 6: Final answer
    x = 16,974.49

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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.