Home / 13,830.61-20,747.96-4,467.51

Finding the Fourth Proportional to 13,830.61, 20,747.96 and 4,467.51

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Solution

The fourth proportional to 13,830.61, 20,747.96 and 4,467.51 is: 6,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.61 : 20,747.96 = 4,467.51 : x
  2. Step 2: Convert to fraction form
    13,830.61/20,747.96 = 4,467.51/x
  3. Step 3: Cross multiply
    13,830.61x = 20,747.96 × 4,467.51
  4. Step 4: Simplify right side
    13,830.61x = 92,691,718.78
  5. Step 5: Solve for x
    x = 92,691,718.78/13,830.61
  6. Step 6: Final answer
    x = 6,701.93

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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.