Home / 13,930.98-20,881.77-4,568.55

Finding the Fourth Proportional to 13,930.98, 20,881.77 and 4,568.55

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Solution

The fourth proportional to 13,930.98, 20,881.77 and 4,568.55 is: 6,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.98 : 20,881.77 = 4,568.55 : x
  2. Step 2: Convert to fraction form
    13,930.98/20,881.77 = 4,568.55/x
  3. Step 3: Cross multiply
    13,930.98x = 20,881.77 × 4,568.55
  4. Step 4: Simplify right side
    13,930.98x = 95,399,410.33
  5. Step 5: Solve for x
    x = 95,399,410.33/13,930.98
  6. Step 6: Final answer
    x = 6,848.00

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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.