Home / 43,611.91-65,417.64-15,533.05

Finding the Fourth Proportional to 43,611.91, 65,417.64 and 15,533.05

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Solution

The fourth proportional to 43,611.91, 65,417.64 and 15,533.05 is: 23,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.91 : 65,417.64 = 15,533.05 : x
  2. Step 2: Convert to fraction form
    43,611.91/65,417.64 = 15,533.05/x
  3. Step 3: Cross multiply
    43,611.91x = 65,417.64 × 15,533.05
  4. Step 4: Simplify right side
    43,611.91x = 1,016,135,473.00
  5. Step 5: Solve for x
    x = 1,016,135,473.00/43,611.91
  6. Step 6: Final answer
    x = 23,299.49

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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.