Home / 26,555.42-39,872.39-17,725.76

Finding the Fourth Proportional to 26,555.42, 39,872.39 and 17,725.76

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Solution

The fourth proportional to 26,555.42, 39,872.39 and 17,725.76 is: 26,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.42 : 39,872.39 = 17,725.76 : x
  2. Step 2: Convert to fraction form
    26,555.42/39,872.39 = 17,725.76/x
  3. Step 3: Cross multiply
    26,555.42x = 39,872.39 × 17,725.76
  4. Step 4: Simplify right side
    26,555.42x = 706,768,464.22
  5. Step 5: Solve for x
    x = 706,768,464.22/26,555.42
  6. Step 6: Final answer
    x = 26,614.85

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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.