Home / 19,165.19-28,747.92-6,685.17

Finding the Fourth Proportional to 19,165.19, 28,747.92 and 6,685.17

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Solution

The fourth proportional to 19,165.19, 28,747.92 and 6,685.17 is: 10,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.19 : 28,747.92 = 6,685.17 : x
  2. Step 2: Convert to fraction form
    19,165.19/28,747.92 = 6,685.17/x
  3. Step 3: Cross multiply
    19,165.19x = 28,747.92 × 6,685.17
  4. Step 4: Simplify right side
    19,165.19x = 192,184,732.35
  5. Step 5: Solve for x
    x = 192,184,732.35/19,165.19
  6. Step 6: Final answer
    x = 10,027.80

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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.