Home / 26,326.56-39,455.82-19,700.76

Finding the Fourth Proportional to 26,326.56, 39,455.82 and 19,700.76

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Solution

The fourth proportional to 26,326.56, 39,455.82 and 19,700.76 is: 29,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.56 : 39,455.82 = 19,700.76 : x
  2. Step 2: Convert to fraction form
    26,326.56/39,455.82 = 19,700.76/x
  3. Step 3: Cross multiply
    26,326.56x = 39,455.82 × 19,700.76
  4. Step 4: Simplify right side
    26,326.56x = 777,309,640.42
  5. Step 5: Solve for x
    x = 777,309,640.42/26,326.56
  6. Step 6: Final answer
    x = 29,525.68

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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.