Home / 14,218.24-19,620.48-8,252.80

Finding the Fourth Proportional to 14,218.24, 19,620.48 and 8,252.80

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Solution

The fourth proportional to 14,218.24, 19,620.48 and 8,252.80 is: 11,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.24 : 19,620.48 = 8,252.80 : x
  2. Step 2: Convert to fraction form
    14,218.24/19,620.48 = 8,252.80/x
  3. Step 3: Cross multiply
    14,218.24x = 19,620.48 × 8,252.80
  4. Step 4: Simplify right side
    14,218.24x = 161,923,897.34
  5. Step 5: Solve for x
    x = 161,923,897.34/14,218.24
  6. Step 6: Final answer
    x = 11,388.46

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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.