Home / 19,836.04-29,757.12-6,687.36

Finding the Fourth Proportional to 19,836.04, 29,757.12 and 6,687.36

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Solution

The fourth proportional to 19,836.04, 29,757.12 and 6,687.36 is: 10,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.04 : 29,757.12 = 6,687.36 : x
  2. Step 2: Convert to fraction form
    19,836.04/29,757.12 = 6,687.36/x
  3. Step 3: Cross multiply
    19,836.04x = 29,757.12 × 6,687.36
  4. Step 4: Simplify right side
    19,836.04x = 198,996,574.00
  5. Step 5: Solve for x
    x = 198,996,574.00/19,836.04
  6. Step 6: Final answer
    x = 10,032.07

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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.