Home / 13,499.64-20,249.48-5,708.52

Finding the Fourth Proportional to 13,499.64, 20,249.48 and 5,708.52

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Solution

The fourth proportional to 13,499.64, 20,249.48 and 5,708.52 is: 8,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.64 : 20,249.48 = 5,708.52 : x
  2. Step 2: Convert to fraction form
    13,499.64/20,249.48 = 5,708.52/x
  3. Step 3: Cross multiply
    13,499.64x = 20,249.48 × 5,708.52
  4. Step 4: Simplify right side
    13,499.64x = 115,594,561.57
  5. Step 5: Solve for x
    x = 115,594,561.57/13,499.64
  6. Step 6: Final answer
    x = 8,562.79

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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.