Home / 12,922.92-19,381.80-3,560.52

Finding the Fourth Proportional to 12,922.92, 19,381.80 and 3,560.52

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Solution

The fourth proportional to 12,922.92, 19,381.80 and 3,560.52 is: 5,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.92 : 19,381.80 = 3,560.52 : x
  2. Step 2: Convert to fraction form
    12,922.92/19,381.80 = 3,560.52/x
  3. Step 3: Cross multiply
    12,922.92x = 19,381.80 × 3,560.52
  4. Step 4: Simplify right side
    12,922.92x = 69,009,286.54
  5. Step 5: Solve for x
    x = 69,009,286.54/12,922.92
  6. Step 6: Final answer
    x = 5,340.07

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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.