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Finding the Fourth Proportional to 14,745.80, 22,086.30 and 12,801.80

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Solution

The fourth proportional to 14,745.80, 22,086.30 and 12,801.80 is: 19,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.80 : 22,086.30 = 12,801.80 : x
  2. Step 2: Convert to fraction form
    14,745.80/22,086.30 = 12,801.80/x
  3. Step 3: Cross multiply
    14,745.80x = 22,086.30 × 12,801.80
  4. Step 4: Simplify right side
    14,745.80x = 282,744,395.34
  5. Step 5: Solve for x
    x = 282,744,395.34/14,745.80
  6. Step 6: Final answer
    x = 19,174.57

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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.