Home / 19,905.92-29,858.56-6,758.08

Finding the Fourth Proportional to 19,905.92, 29,858.56 and 6,758.08

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Solution

The fourth proportional to 19,905.92, 29,858.56 and 6,758.08 is: 10,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.92 : 29,858.56 = 6,758.08 : x
  2. Step 2: Convert to fraction form
    19,905.92/29,858.56 = 6,758.08/x
  3. Step 3: Cross multiply
    19,905.92x = 29,858.56 × 6,758.08
  4. Step 4: Simplify right side
    19,905.92x = 201,786,537.16
  5. Step 5: Solve for x
    x = 201,786,537.16/19,905.92
  6. Step 6: Final answer
    x = 10,137.01

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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.