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Finding the Fourth Proportional to 18,470.14, 27,688.14 and 7,374.14

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Solution

The fourth proportional to 18,470.14, 27,688.14 and 7,374.14 is: 11,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.14 : 27,688.14 = 7,374.14 : x
  2. Step 2: Convert to fraction form
    18,470.14/27,688.14 = 7,374.14/x
  3. Step 3: Cross multiply
    18,470.14x = 27,688.14 × 7,374.14
  4. Step 4: Simplify right side
    18,470.14x = 204,176,220.70
  5. Step 5: Solve for x
    x = 204,176,220.70/18,470.14
  6. Step 6: Final answer
    x = 11,054.39

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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.