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Finding the Fourth Proportional to 17,205.81, 25,770.19 and 14,955.81

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Solution

The fourth proportional to 17,205.81, 25,770.19 and 14,955.81 is: 22,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.81 : 25,770.19 = 14,955.81 : x
  2. Step 2: Convert to fraction form
    17,205.81/25,770.19 = 14,955.81/x
  3. Step 3: Cross multiply
    17,205.81x = 25,770.19 × 14,955.81
  4. Step 4: Simplify right side
    17,205.81x = 385,414,065.30
  5. Step 5: Solve for x
    x = 385,414,065.30/17,205.81
  6. Step 6: Final answer
    x = 22,400.23

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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.