Home / 26,725.32-40,113.96-12,884.04

Finding the Fourth Proportional to 26,725.32, 40,113.96 and 12,884.04

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Solution

The fourth proportional to 26,725.32, 40,113.96 and 12,884.04 is: 19,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,725.32 : 40,113.96 = 12,884.04 : x
  2. Step 2: Convert to fraction form
    26,725.32/40,113.96 = 12,884.04/x
  3. Step 3: Cross multiply
    26,725.32x = 40,113.96 × 12,884.04
  4. Step 4: Simplify right side
    26,725.32x = 516,829,865.20
  5. Step 5: Solve for x
    x = 516,829,865.20/26,725.32
  6. Step 6: Final answer
    x = 19,338.58

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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.