Home / 19,859.90-29,793.95-5,820.39

Finding the Fourth Proportional to 19,859.90, 29,793.95 and 5,820.39

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Solution

The fourth proportional to 19,859.90, 29,793.95 and 5,820.39 is: 8,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.90 : 29,793.95 = 5,820.39 : x
  2. Step 2: Convert to fraction form
    19,859.90/29,793.95 = 5,820.39/x
  3. Step 3: Cross multiply
    19,859.90x = 29,793.95 × 5,820.39
  4. Step 4: Simplify right side
    19,859.90x = 173,412,408.64
  5. Step 5: Solve for x
    x = 173,412,408.64/19,859.90
  6. Step 6: Final answer
    x = 8,731.79

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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.