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Finding the Fourth Proportional to 14,863.80, 22,161.27 and 14,095.80

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Solution

The fourth proportional to 14,863.80, 22,161.27 and 14,095.80 is: 21,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.80 : 22,161.27 = 14,095.80 : x
  2. Step 2: Convert to fraction form
    14,863.80/22,161.27 = 14,095.80/x
  3. Step 3: Cross multiply
    14,863.80x = 22,161.27 × 14,095.80
  4. Step 4: Simplify right side
    14,863.80x = 312,380,829.67
  5. Step 5: Solve for x
    x = 312,380,829.67/14,863.80
  6. Step 6: Final answer
    x = 21,016.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.