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Finding the Fourth Proportional to 18,216.01, 27,281.48 and 14,022.74

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Solution

The fourth proportional to 18,216.01, 27,281.48 and 14,022.74 is: 21,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.01 : 27,281.48 = 14,022.74 : x
  2. Step 2: Convert to fraction form
    18,216.01/27,281.48 = 14,022.74/x
  3. Step 3: Cross multiply
    18,216.01x = 27,281.48 × 14,022.74
  4. Step 4: Simplify right side
    18,216.01x = 382,561,100.86
  5. Step 5: Solve for x
    x = 382,561,100.86/18,216.01
  6. Step 6: Final answer
    x = 21,001.37

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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.