Home / 13,567.27-20,356.26-4,208.02

Finding the Fourth Proportional to 13,567.27, 20,356.26 and 4,208.02

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Solution

The fourth proportional to 13,567.27, 20,356.26 and 4,208.02 is: 6,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.27 : 20,356.26 = 4,208.02 : x
  2. Step 2: Convert to fraction form
    13,567.27/20,356.26 = 4,208.02/x
  3. Step 3: Cross multiply
    13,567.27x = 20,356.26 × 4,208.02
  4. Step 4: Simplify right side
    13,567.27x = 85,659,549.21
  5. Step 5: Solve for x
    x = 85,659,549.21/13,567.27
  6. Step 6: Final answer
    x = 6,313.69

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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.