Home / 18,160.48-27,240.72-7,764.94

Finding the Fourth Proportional to 18,160.48, 27,240.72 and 7,764.94

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Solution

The fourth proportional to 18,160.48, 27,240.72 and 7,764.94 is: 11,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.48 : 27,240.72 = 7,764.94 : x
  2. Step 2: Convert to fraction form
    18,160.48/27,240.72 = 7,764.94/x
  3. Step 3: Cross multiply
    18,160.48x = 27,240.72 × 7,764.94
  4. Step 4: Simplify right side
    18,160.48x = 211,522,488.26
  5. Step 5: Solve for x
    x = 211,522,488.26/18,160.48
  6. Step 6: Final answer
    x = 11,647.41

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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.