Home / 26,128.14-39,165.36-10,326.75

Finding the Fourth Proportional to 26,128.14, 39,165.36 and 10,326.75

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Solution

The fourth proportional to 26,128.14, 39,165.36 and 10,326.75 is: 15,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.14 : 39,165.36 = 10,326.75 : x
  2. Step 2: Convert to fraction form
    26,128.14/39,165.36 = 10,326.75/x
  3. Step 3: Cross multiply
    26,128.14x = 39,165.36 × 10,326.75
  4. Step 4: Simplify right side
    26,128.14x = 404,450,881.38
  5. Step 5: Solve for x
    x = 404,450,881.38/26,128.14
  6. Step 6: Final answer
    x = 15,479.51

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Double scale
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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.