Home / 19,912.14-29,871.81-6,763.32

Finding the Fourth Proportional to 19,912.14, 29,871.81 and 6,763.32

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Solution

The fourth proportional to 19,912.14, 29,871.81 and 6,763.32 is: 10,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.14 : 29,871.81 = 6,763.32 : x
  2. Step 2: Convert to fraction form
    19,912.14/29,871.81 = 6,763.32/x
  3. Step 3: Cross multiply
    19,912.14x = 29,871.81 × 6,763.32
  4. Step 4: Simplify right side
    19,912.14x = 202,032,610.01
  5. Step 5: Solve for x
    x = 202,032,610.01/19,912.14
  6. Step 6: Final answer
    x = 10,146.20

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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.