Home / 17,580.75-26,371.13-5,268.75

Finding the Fourth Proportional to 17,580.75, 26,371.13 and 5,268.75

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Solution

The fourth proportional to 17,580.75, 26,371.13 and 5,268.75 is: 7,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.75 : 26,371.13 = 5,268.75 : x
  2. Step 2: Convert to fraction form
    17,580.75/26,371.13 = 5,268.75/x
  3. Step 3: Cross multiply
    17,580.75x = 26,371.13 × 5,268.75
  4. Step 4: Simplify right side
    17,580.75x = 138,942,864.84
  5. Step 5: Solve for x
    x = 138,942,864.84/17,580.75
  6. Step 6: Final answer
    x = 7,903.13

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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.