Home / 22,453.70-30,986.33-12,382.54

Finding the Fourth Proportional to 22,453.70, 30,986.33 and 12,382.54

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Solution

The fourth proportional to 22,453.70, 30,986.33 and 12,382.54 is: 17,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.70 : 30,986.33 = 12,382.54 : x
  2. Step 2: Convert to fraction form
    22,453.70/30,986.33 = 12,382.54/x
  3. Step 3: Cross multiply
    22,453.70x = 30,986.33 × 12,382.54
  4. Step 4: Simplify right side
    22,453.70x = 383,689,331.30
  5. Step 5: Solve for x
    x = 383,689,331.30/22,453.70
  6. Step 6: Final answer
    x = 17,088.03

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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.