Home / 19,827.91-29,702.22-11,926.07

Finding the Fourth Proportional to 19,827.91, 29,702.22 and 11,926.07

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Solution

The fourth proportional to 19,827.91, 29,702.22 and 11,926.07 is: 17,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.91 : 29,702.22 = 11,926.07 : x
  2. Step 2: Convert to fraction form
    19,827.91/29,702.22 = 11,926.07/x
  3. Step 3: Cross multiply
    19,827.91x = 29,702.22 × 11,926.07
  4. Step 4: Simplify right side
    19,827.91x = 354,230,589.49
  5. Step 5: Solve for x
    x = 354,230,589.49/19,827.91
  6. Step 6: Final answer
    x = 17,865.25

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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.