Home / 14,619.24-20,174.46-8,331.54

Finding the Fourth Proportional to 14,619.24, 20,174.46 and 8,331.54

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Solution

The fourth proportional to 14,619.24, 20,174.46 and 8,331.54 is: 11,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.24 : 20,174.46 = 8,331.54 : x
  2. Step 2: Convert to fraction form
    14,619.24/20,174.46 = 8,331.54/x
  3. Step 3: Cross multiply
    14,619.24x = 20,174.46 × 8,331.54
  4. Step 4: Simplify right side
    14,619.24x = 168,084,320.47
  5. Step 5: Solve for x
    x = 168,084,320.47/14,619.24
  6. Step 6: Final answer
    x = 11,497.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.