Home / 13,568.73-20,350.98-3,708.78

Finding the Fourth Proportional to 13,568.73, 20,350.98 and 3,708.78

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Solution

The fourth proportional to 13,568.73, 20,350.98 and 3,708.78 is: 5,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.73 : 20,350.98 = 3,708.78 : x
  2. Step 2: Convert to fraction form
    13,568.73/20,350.98 = 3,708.78/x
  3. Step 3: Cross multiply
    13,568.73x = 20,350.98 × 3,708.78
  4. Step 4: Simplify right side
    13,568.73x = 75,477,307.60
  5. Step 5: Solve for x
    x = 75,477,307.60/13,568.73
  6. Step 6: Final answer
    x = 5,562.59

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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.