Home / 26,091.26-39,123.76-12,765.25

Finding the Fourth Proportional to 26,091.26, 39,123.76 and 12,765.25

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Solution

The fourth proportional to 26,091.26, 39,123.76 and 12,765.25 is: 19,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,091.26 : 39,123.76 = 12,765.25 : x
  2. Step 2: Convert to fraction form
    26,091.26/39,123.76 = 12,765.25/x
  3. Step 3: Cross multiply
    26,091.26x = 39,123.76 × 12,765.25
  4. Step 4: Simplify right side
    26,091.26x = 499,424,398.20
  5. Step 5: Solve for x
    x = 499,424,398.20/26,091.26
  6. Step 6: Final answer
    x = 19,141.44

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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.