Home / 26,139.51-39,198.33-10,342.08

Finding the Fourth Proportional to 26,139.51, 39,198.33 and 10,342.08

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Solution

The fourth proportional to 26,139.51, 39,198.33 and 10,342.08 is: 15,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.51 : 39,198.33 = 10,342.08 : x
  2. Step 2: Convert to fraction form
    26,139.51/39,198.33 = 10,342.08/x
  3. Step 3: Cross multiply
    26,139.51x = 39,198.33 × 10,342.08
  4. Step 4: Simplify right side
    26,139.51x = 405,392,264.73
  5. Step 5: Solve for x
    x = 405,392,264.73/26,139.51
  6. Step 6: Final answer
    x = 15,508.79

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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.