Home / 19,176.30-28,771.29-7,497.90

Finding the Fourth Proportional to 19,176.30, 28,771.29 and 7,497.90

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Solution

The fourth proportional to 19,176.30, 28,771.29 and 7,497.90 is: 11,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.30 : 28,771.29 = 7,497.90 : x
  2. Step 2: Convert to fraction form
    19,176.30/28,771.29 = 7,497.90/x
  3. Step 3: Cross multiply
    19,176.30x = 28,771.29 × 7,497.90
  4. Step 4: Simplify right side
    19,176.30x = 215,724,255.29
  5. Step 5: Solve for x
    x = 215,724,255.29/19,176.30
  6. Step 6: Final answer
    x = 11,249.52

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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.