Home / 26,231.64-39,342.60-7,507.68

Finding the Fourth Proportional to 26,231.64, 39,342.60 and 7,507.68

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Solution

The fourth proportional to 26,231.64, 39,342.60 and 7,507.68 is: 11,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.64 : 39,342.60 = 7,507.68 : x
  2. Step 2: Convert to fraction form
    26,231.64/39,342.60 = 7,507.68/x
  3. Step 3: Cross multiply
    26,231.64x = 39,342.60 × 7,507.68
  4. Step 4: Simplify right side
    26,231.64x = 295,371,651.17
  5. Step 5: Solve for x
    x = 295,371,651.17/26,231.64
  6. Step 6: Final answer
    x = 11,260.13

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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.