Home / 13,324.82-19,989.05-4,557.38

Finding the Fourth Proportional to 13,324.82, 19,989.05 and 4,557.38

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Solution

The fourth proportional to 13,324.82, 19,989.05 and 4,557.38 is: 6,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.82 : 19,989.05 = 4,557.38 : x
  2. Step 2: Convert to fraction form
    13,324.82/19,989.05 = 4,557.38/x
  3. Step 3: Cross multiply
    13,324.82x = 19,989.05 × 4,557.38
  4. Step 4: Simplify right side
    13,324.82x = 91,097,573.96
  5. Step 5: Solve for x
    x = 91,097,573.96/13,324.82
  6. Step 6: Final answer
    x = 6,836.69

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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.