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Finding the Fourth Proportional to 14,841.78, 22,252.14 and 6,939.94

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Solution

The fourth proportional to 14,841.78, 22,252.14 and 6,939.94 is: 10,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.78 : 22,252.14 = 6,939.94 : x
  2. Step 2: Convert to fraction form
    14,841.78/22,252.14 = 6,939.94/x
  3. Step 3: Cross multiply
    14,841.78x = 22,252.14 × 6,939.94
  4. Step 4: Simplify right side
    14,841.78x = 154,428,516.47
  5. Step 5: Solve for x
    x = 154,428,516.47/14,841.78
  6. Step 6: Final answer
    x = 10,404.99

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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.