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Finding the Fourth Proportional to 14,361.14, 19,818.84 and 8,696.95

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Solution

The fourth proportional to 14,361.14, 19,818.84 and 8,696.95 is: 12,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.14 : 19,818.84 = 8,696.95 : x
  2. Step 2: Convert to fraction form
    14,361.14/19,818.84 = 8,696.95/x
  3. Step 3: Cross multiply
    14,361.14x = 19,818.84 × 8,696.95
  4. Step 4: Simplify right side
    14,361.14x = 172,363,460.54
  5. Step 5: Solve for x
    x = 172,363,460.54/14,361.14
  6. Step 6: Final answer
    x = 12,002.07

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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.