Home / 17,178.36-25,768.91-5,491.59

Finding the Fourth Proportional to 17,178.36, 25,768.91 and 5,491.59

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Solution

The fourth proportional to 17,178.36, 25,768.91 and 5,491.59 is: 8,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.36 : 25,768.91 = 5,491.59 : x
  2. Step 2: Convert to fraction form
    17,178.36/25,768.91 = 5,491.59/x
  3. Step 3: Cross multiply
    17,178.36x = 25,768.91 × 5,491.59
  4. Step 4: Simplify right side
    17,178.36x = 141,512,288.47
  5. Step 5: Solve for x
    x = 141,512,288.47/17,178.36
  6. Step 6: Final answer
    x = 8,237.82

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1.5x scale

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.