Home / 26,083.65-39,112.37-12,757.65

Finding the Fourth Proportional to 26,083.65, 39,112.37 and 12,757.65

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Solution

The fourth proportional to 26,083.65, 39,112.37 and 12,757.65 is: 19,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,083.65 : 39,112.37 = 12,757.65 : x
  2. Step 2: Convert to fraction form
    26,083.65/39,112.37 = 12,757.65/x
  3. Step 3: Cross multiply
    26,083.65x = 39,112.37 × 12,757.65
  4. Step 4: Simplify right side
    26,083.65x = 498,981,984.52
  5. Step 5: Solve for x
    x = 498,981,984.52/26,083.65
  6. Step 6: Final answer
    x = 19,130.07

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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.