Home / 13,566.11-20,349.36-4,206.02

Finding the Fourth Proportional to 13,566.11, 20,349.36 and 4,206.02

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Solution

The fourth proportional to 13,566.11, 20,349.36 and 4,206.02 is: 6,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.11 : 20,349.36 = 4,206.02 : x
  2. Step 2: Convert to fraction form
    13,566.11/20,349.36 = 4,206.02/x
  3. Step 3: Cross multiply
    13,566.11x = 20,349.36 × 4,206.02
  4. Step 4: Simplify right side
    13,566.11x = 85,589,713.40
  5. Step 5: Solve for x
    x = 85,589,713.40/13,566.11
  6. Step 6: Final answer
    x = 6,309.09

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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.