Home / 17,722.62-26,588.48-5,242.14

Finding the Fourth Proportional to 17,722.62, 26,588.48 and 5,242.14

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Solution

The fourth proportional to 17,722.62, 26,588.48 and 5,242.14 is: 7,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.62 : 26,588.48 = 5,242.14 : x
  2. Step 2: Convert to fraction form
    17,722.62/26,588.48 = 5,242.14/x
  3. Step 3: Cross multiply
    17,722.62x = 26,588.48 × 5,242.14
  4. Step 4: Simplify right side
    17,722.62x = 139,380,534.55
  5. Step 5: Solve for x
    x = 139,380,534.55/17,722.62
  6. Step 6: Final answer
    x = 7,864.56

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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.