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Finding the Fourth Proportional to 14,784.55, 22,203.25 and 14,189.94

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Solution

The fourth proportional to 14,784.55, 22,203.25 and 14,189.94 is: 21,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.55 : 22,203.25 = 14,189.94 : x
  2. Step 2: Convert to fraction form
    14,784.55/22,203.25 = 14,189.94/x
  3. Step 3: Cross multiply
    14,784.55x = 22,203.25 × 14,189.94
  4. Step 4: Simplify right side
    14,784.55x = 315,062,749.83
  5. Step 5: Solve for x
    x = 315,062,749.83/14,784.55
  6. Step 6: Final answer
    x = 21,310.27

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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.