Home / 26,530.64-39,782.27-7,808.25

Finding the Fourth Proportional to 26,530.64, 39,782.27 and 7,808.25

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Solution

The fourth proportional to 26,530.64, 39,782.27 and 7,808.25 is: 11,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.64 : 39,782.27 = 7,808.25 : x
  2. Step 2: Convert to fraction form
    26,530.64/39,782.27 = 7,808.25/x
  3. Step 3: Cross multiply
    26,530.64x = 39,782.27 × 7,808.25
  4. Step 4: Simplify right side
    26,530.64x = 310,629,736.14
  5. Step 5: Solve for x
    x = 310,629,736.14/26,530.64
  6. Step 6: Final answer
    x = 11,708.34

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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.