Home / 19,326.13-28,997.45-8,238.04

Finding the Fourth Proportional to 19,326.13, 28,997.45 and 8,238.04

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Solution

The fourth proportional to 19,326.13, 28,997.45 and 8,238.04 is: 12,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.13 : 28,997.45 = 8,238.04 : x
  2. Step 2: Convert to fraction form
    19,326.13/28,997.45 = 8,238.04/x
  3. Step 3: Cross multiply
    19,326.13x = 28,997.45 × 8,238.04
  4. Step 4: Simplify right side
    19,326.13x = 238,882,153.00
  5. Step 5: Solve for x
    x = 238,882,153.00/19,326.13
  6. Step 6: Final answer
    x = 12,360.58

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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.