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Finding the Fourth Proportional to 14,318.84, 19,759.84 and 9,020.60

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Solution

The fourth proportional to 14,318.84, 19,759.84 and 9,020.60 is: 12,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.84 : 19,759.84 = 9,020.60 : x
  2. Step 2: Convert to fraction form
    14,318.84/19,759.84 = 9,020.60/x
  3. Step 3: Cross multiply
    14,318.84x = 19,759.84 × 9,020.60
  4. Step 4: Simplify right side
    14,318.84x = 178,245,612.70
  5. Step 5: Solve for x
    x = 178,245,612.70/14,318.84
  6. Step 6: Final answer
    x = 12,448.33

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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.