Home / 22,371.35-30,872.48-12,299.96

Finding the Fourth Proportional to 22,371.35, 30,872.48 and 12,299.96

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Solution

The fourth proportional to 22,371.35, 30,872.48 and 12,299.96 is: 16,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.35 : 30,872.48 = 12,299.96 : x
  2. Step 2: Convert to fraction form
    22,371.35/30,872.48 = 12,299.96/x
  3. Step 3: Cross multiply
    22,371.35x = 30,872.48 × 12,299.96
  4. Step 4: Simplify right side
    22,371.35x = 379,730,411.86
  5. Step 5: Solve for x
    x = 379,730,411.86/22,371.35
  6. Step 6: Final answer
    x = 16,973.96

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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.