Home / 19,650.88-29,479.52-5,801.28

Finding the Fourth Proportional to 19,650.88, 29,479.52 and 5,801.28

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Solution

The fourth proportional to 19,650.88, 29,479.52 and 5,801.28 is: 8,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.88 : 29,479.52 = 5,801.28 : x
  2. Step 2: Convert to fraction form
    19,650.88/29,479.52 = 5,801.28/x
  3. Step 3: Cross multiply
    19,650.88x = 29,479.52 × 5,801.28
  4. Step 4: Simplify right side
    19,650.88x = 171,018,949.79
  5. Step 5: Solve for x
    x = 171,018,949.79/19,650.88
  6. Step 6: Final answer
    x = 8,702.86

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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.