Home / 13,465.71-20,198.89-4,581.02

Finding the Fourth Proportional to 13,465.71, 20,198.89 and 4,581.02

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Solution

The fourth proportional to 13,465.71, 20,198.89 and 4,581.02 is: 6,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.71 : 20,198.89 = 4,581.02 : x
  2. Step 2: Convert to fraction form
    13,465.71/20,198.89 = 4,581.02/x
  3. Step 3: Cross multiply
    13,465.71x = 20,198.89 × 4,581.02
  4. Step 4: Simplify right side
    13,465.71x = 92,531,575.29
  5. Step 5: Solve for x
    x = 92,531,575.29/13,465.71
  6. Step 6: Final answer
    x = 6,871.64

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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.