Home / 13,601.59-20,390.24-6,577.68

Finding the Fourth Proportional to 13,601.59, 20,390.24 and 6,577.68

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Solution

The fourth proportional to 13,601.59, 20,390.24 and 6,577.68 is: 9,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.59 : 20,390.24 = 6,577.68 : x
  2. Step 2: Convert to fraction form
    13,601.59/20,390.24 = 6,577.68/x
  3. Step 3: Cross multiply
    13,601.59x = 20,390.24 × 6,577.68
  4. Step 4: Simplify right side
    13,601.59x = 134,120,339.00
  5. Step 5: Solve for x
    x = 134,120,339.00/13,601.59
  6. Step 6: Final answer
    x = 9,860.64

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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.