Home / 26,647.38-39,969.54-7,927.56

Finding the Fourth Proportional to 26,647.38, 39,969.54 and 7,927.56

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Solution

The fourth proportional to 26,647.38, 39,969.54 and 7,927.56 is: 11,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.38 : 39,969.54 = 7,927.56 : x
  2. Step 2: Convert to fraction form
    26,647.38/39,969.54 = 7,927.56/x
  3. Step 3: Cross multiply
    26,647.38x = 39,969.54 × 7,927.56
  4. Step 4: Simplify right side
    26,647.38x = 316,860,926.52
  5. Step 5: Solve for x
    x = 316,860,926.52/26,647.38
  6. Step 6: Final answer
    x = 11,890.88

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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.