Home / 22,371.13-30,872.54-12,299.99

Finding the Fourth Proportional to 22,371.13, 30,872.54 and 12,299.99

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Solution

The fourth proportional to 22,371.13, 30,872.54 and 12,299.99 is: 16,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.13 : 30,872.54 = 12,299.99 : x
  2. Step 2: Convert to fraction form
    22,371.13/30,872.54 = 12,299.99/x
  3. Step 3: Cross multiply
    22,371.13x = 30,872.54 × 12,299.99
  4. Step 4: Simplify right side
    22,371.13x = 379,731,933.27
  5. Step 5: Solve for x
    x = 379,731,933.27/22,371.13
  6. Step 6: Final answer
    x = 16,974.20

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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.