Home / 19,907.91-29,864.61-6,756.75

Finding the Fourth Proportional to 19,907.91, 29,864.61 and 6,756.75

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Solution

The fourth proportional to 19,907.91, 29,864.61 and 6,756.75 is: 10,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.91 : 29,864.61 = 6,756.75 : x
  2. Step 2: Convert to fraction form
    19,907.91/29,864.61 = 6,756.75/x
  3. Step 3: Cross multiply
    19,907.91x = 29,864.61 × 6,756.75
  4. Step 4: Simplify right side
    19,907.91x = 201,787,703.62
  5. Step 5: Solve for x
    x = 201,787,703.62/19,907.91
  6. Step 6: Final answer
    x = 10,136.06

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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.