Home / 43,322.74-64,983.60-13,740.83

Finding the Fourth Proportional to 43,322.74, 64,983.60 and 13,740.83

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Solution

The fourth proportional to 43,322.74, 64,983.60 and 13,740.83 is: 20,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.74 : 64,983.60 = 13,740.83 : x
  2. Step 2: Convert to fraction form
    43,322.74/64,983.60 = 13,740.83/x
  3. Step 3: Cross multiply
    43,322.74x = 64,983.60 × 13,740.83
  4. Step 4: Simplify right side
    43,322.74x = 892,928,884.69
  5. Step 5: Solve for x
    x = 892,928,884.69/43,322.74
  6. Step 6: Final answer
    x = 20,611.09

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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.