Home / 13,427.24-20,138.76-3,566.97

Finding the Fourth Proportional to 13,427.24, 20,138.76 and 3,566.97

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Solution

The fourth proportional to 13,427.24, 20,138.76 and 3,566.97 is: 5,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.24 : 20,138.76 = 3,566.97 : x
  2. Step 2: Convert to fraction form
    13,427.24/20,138.76 = 3,566.97/x
  3. Step 3: Cross multiply
    13,427.24x = 20,138.76 × 3,566.97
  4. Step 4: Simplify right side
    13,427.24x = 71,834,352.76
  5. Step 5: Solve for x
    x = 71,834,352.76/13,427.24
  6. Step 6: Final answer
    x = 5,349.90

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1.5x scale

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.