Home / 22,372.36-30,872.30-12,300.58

Finding the Fourth Proportional to 22,372.36, 30,872.30 and 12,300.58

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Solution

The fourth proportional to 22,372.36, 30,872.30 and 12,300.58 is: 16,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.36 : 30,872.30 = 12,300.58 : x
  2. Step 2: Convert to fraction form
    22,372.36/30,872.30 = 12,300.58/x
  3. Step 3: Cross multiply
    22,372.36x = 30,872.30 × 12,300.58
  4. Step 4: Simplify right side
    22,372.36x = 379,747,195.93
  5. Step 5: Solve for x
    x = 379,747,195.93/22,372.36
  6. Step 6: Final answer
    x = 16,973.94

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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.