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Finding the Fourth Proportional to 18,497.48, 27,806.36 and 14,839.72

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Solution

The fourth proportional to 18,497.48, 27,806.36 and 14,839.72 is: 22,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.48 : 27,806.36 = 14,839.72 : x
  2. Step 2: Convert to fraction form
    18,497.48/27,806.36 = 14,839.72/x
  3. Step 3: Cross multiply
    18,497.48x = 27,806.36 × 14,839.72
  4. Step 4: Simplify right side
    18,497.48x = 412,638,596.62
  5. Step 5: Solve for x
    x = 412,638,596.62/18,497.48
  6. Step 6: Final answer
    x = 22,307.83

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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.