Home / 13,335.88-19,981.82-4,565.96

Finding the Fourth Proportional to 13,335.88, 19,981.82 and 4,565.96

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Solution

The fourth proportional to 13,335.88, 19,981.82 and 4,565.96 is: 6,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.88 : 19,981.82 = 4,565.96 : x
  2. Step 2: Convert to fraction form
    13,335.88/19,981.82 = 4,565.96/x
  3. Step 3: Cross multiply
    13,335.88x = 19,981.82 × 4,565.96
  4. Step 4: Simplify right side
    13,335.88x = 91,236,190.85
  5. Step 5: Solve for x
    x = 91,236,190.85/13,335.88
  6. Step 6: Final answer
    x = 6,841.41

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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.