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Finding the Fourth Proportional to 13,895.01, 20,854.17 and 13,019.22

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Solution

The fourth proportional to 13,895.01, 20,854.17 and 13,019.22 is: 19,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.01 : 20,854.17 = 13,019.22 : x
  2. Step 2: Convert to fraction form
    13,895.01/20,854.17 = 13,019.22/x
  3. Step 3: Cross multiply
    13,895.01x = 20,854.17 × 13,019.22
  4. Step 4: Simplify right side
    13,895.01x = 271,505,027.15
  5. Step 5: Solve for x
    x = 271,505,027.15/13,895.01
  6. Step 6: Final answer
    x = 19,539.75

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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.