Home / 19,768.62-29,633.91-7,281.84

Finding the Fourth Proportional to 19,768.62, 29,633.91 and 7,281.84

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Solution

The fourth proportional to 19,768.62, 29,633.91 and 7,281.84 is: 10,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.62 : 29,633.91 = 7,281.84 : x
  2. Step 2: Convert to fraction form
    19,768.62/29,633.91 = 7,281.84/x
  3. Step 3: Cross multiply
    19,768.62x = 29,633.91 × 7,281.84
  4. Step 4: Simplify right side
    19,768.62x = 215,789,391.19
  5. Step 5: Solve for x
    x = 215,789,391.19/19,768.62
  6. Step 6: Final answer
    x = 10,915.75

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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.