Home / 22,790.25-31,451.76-13,361.85

Finding the Fourth Proportional to 22,790.25, 31,451.76 and 13,361.85

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Solution

The fourth proportional to 22,790.25, 31,451.76 and 13,361.85 is: 18,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.25 : 31,451.76 = 13,361.85 : x
  2. Step 2: Convert to fraction form
    22,790.25/31,451.76 = 13,361.85/x
  3. Step 3: Cross multiply
    22,790.25x = 31,451.76 × 13,361.85
  4. Step 4: Simplify right side
    22,790.25x = 420,253,699.36
  5. Step 5: Solve for x
    x = 420,253,699.36/22,790.25
  6. Step 6: Final answer
    x = 18,440.07

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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.