Home / 17,571.40-26,357.09-5,091.43

Finding the Fourth Proportional to 17,571.40, 26,357.09 and 5,091.43

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Solution

The fourth proportional to 17,571.40, 26,357.09 and 5,091.43 is: 7,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,571.40 : 26,357.09 = 5,091.43 : x
  2. Step 2: Convert to fraction form
    17,571.40/26,357.09 = 5,091.43/x
  3. Step 3: Cross multiply
    17,571.40x = 26,357.09 × 5,091.43
  4. Step 4: Simplify right side
    17,571.40x = 134,195,225.57
  5. Step 5: Solve for x
    x = 134,195,225.57/17,571.40
  6. Step 6: Final answer
    x = 7,637.14

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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.