Home / 17,434.78-26,146.69-7,571.41

Finding the Fourth Proportional to 17,434.78, 26,146.69 and 7,571.41

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Solution

The fourth proportional to 17,434.78, 26,146.69 and 7,571.41 is: 11,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,434.78 : 26,146.69 = 7,571.41 : x
  2. Step 2: Convert to fraction form
    17,434.78/26,146.69 = 7,571.41/x
  3. Step 3: Cross multiply
    17,434.78x = 26,146.69 × 7,571.41
  4. Step 4: Simplify right side
    17,434.78x = 197,967,225.84
  5. Step 5: Solve for x
    x = 197,967,225.84/17,434.78
  6. Step 6: Final answer
    x = 11,354.73

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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.