Home / 13,427.97-20,140.53-3,568.24

Finding the Fourth Proportional to 13,427.97, 20,140.53 and 3,568.24

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Solution

The fourth proportional to 13,427.97, 20,140.53 and 3,568.24 is: 5,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.97 : 20,140.53 = 3,568.24 : x
  2. Step 2: Convert to fraction form
    13,427.97/20,140.53 = 3,568.24/x
  3. Step 3: Cross multiply
    13,427.97x = 20,140.53 × 3,568.24
  4. Step 4: Simplify right side
    13,427.97x = 71,866,244.77
  5. Step 5: Solve for x
    x = 71,866,244.77/13,427.97
  6. Step 6: Final answer
    x = 5,351.98

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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.