Home / 13,675.97-20,516.70-4,317.43

Finding the Fourth Proportional to 13,675.97, 20,516.70 and 4,317.43

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Solution

The fourth proportional to 13,675.97, 20,516.70 and 4,317.43 is: 6,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.97 : 20,516.70 = 4,317.43 : x
  2. Step 2: Convert to fraction form
    13,675.97/20,516.70 = 4,317.43/x
  3. Step 3: Cross multiply
    13,675.97x = 20,516.70 × 4,317.43
  4. Step 4: Simplify right side
    13,675.97x = 88,579,416.08
  5. Step 5: Solve for x
    x = 88,579,416.08/13,675.97
  6. Step 6: Final answer
    x = 6,477.01

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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.