Home / 22,262.24-30,720.84-12,830.96

Finding the Fourth Proportional to 22,262.24, 30,720.84 and 12,830.96

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Solution

The fourth proportional to 22,262.24, 30,720.84 and 12,830.96 is: 17,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.24 : 30,720.84 = 12,830.96 : x
  2. Step 2: Convert to fraction form
    22,262.24/30,720.84 = 12,830.96/x
  3. Step 3: Cross multiply
    22,262.24x = 30,720.84 × 12,830.96
  4. Step 4: Simplify right side
    22,262.24x = 394,177,869.21
  5. Step 5: Solve for x
    x = 394,177,869.21/22,262.24
  6. Step 6: Final answer
    x = 17,706.12

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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.