Home / 12,922.75-19,383.47-3,562.85

Finding the Fourth Proportional to 12,922.75, 19,383.47 and 3,562.85

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Solution

The fourth proportional to 12,922.75, 19,383.47 and 3,562.85 is: 5,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.75 : 19,383.47 = 3,562.85 : x
  2. Step 2: Convert to fraction form
    12,922.75/19,383.47 = 3,562.85/x
  3. Step 3: Cross multiply
    12,922.75x = 19,383.47 × 3,562.85
  4. Step 4: Simplify right side
    12,922.75x = 69,060,440.09
  5. Step 5: Solve for x
    x = 69,060,440.09/12,922.75
  6. Step 6: Final answer
    x = 5,344.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.