Home / 19,908.04-29,866.65-6,760.40

Finding the Fourth Proportional to 19,908.04, 29,866.65 and 6,760.40

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Solution

The fourth proportional to 19,908.04, 29,866.65 and 6,760.40 is: 10,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.04 : 29,866.65 = 6,760.40 : x
  2. Step 2: Convert to fraction form
    19,908.04/29,866.65 = 6,760.40/x
  3. Step 3: Cross multiply
    19,908.04x = 29,866.65 × 6,760.40
  4. Step 4: Simplify right side
    19,908.04x = 201,910,575.33
  5. Step 5: Solve for x
    x = 201,910,575.33/19,908.04
  6. Step 6: Final answer
    x = 10,142.16

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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.