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Finding the Fourth Proportional to 14,707.41, 20,282.43 and 11,344.96

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Solution

The fourth proportional to 14,707.41, 20,282.43 and 11,344.96 is: 15,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.41 : 20,282.43 = 11,344.96 : x
  2. Step 2: Convert to fraction form
    14,707.41/20,282.43 = 11,344.96/x
  3. Step 3: Cross multiply
    14,707.41x = 20,282.43 × 11,344.96
  4. Step 4: Simplify right side
    14,707.41x = 230,103,357.05
  5. Step 5: Solve for x
    x = 230,103,357.05/14,707.41
  6. Step 6: Final answer
    x = 15,645.40

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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.