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Finding the Fourth Proportional to 18,152.73, 27,236.93 and 9,838.71

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Solution

The fourth proportional to 18,152.73, 27,236.93 and 9,838.71 is: 14,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.73 : 27,236.93 = 9,838.71 : x
  2. Step 2: Convert to fraction form
    18,152.73/27,236.93 = 9,838.71/x
  3. Step 3: Cross multiply
    18,152.73x = 27,236.93 × 9,838.71
  4. Step 4: Simplify right side
    18,152.73x = 267,976,206.37
  5. Step 5: Solve for x
    x = 267,976,206.37/18,152.73
  6. Step 6: Final answer
    x = 14,762.31

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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.