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Finding the Fourth Proportional to 16,868.16, 23,243.04 and 14,341.44

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Solution

The fourth proportional to 16,868.16, 23,243.04 and 14,341.44 is: 19,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.16 : 23,243.04 = 14,341.44 : x
  2. Step 2: Convert to fraction form
    16,868.16/23,243.04 = 14,341.44/x
  3. Step 3: Cross multiply
    16,868.16x = 23,243.04 × 14,341.44
  4. Step 4: Simplify right side
    16,868.16x = 333,338,663.58
  5. Step 5: Solve for x
    x = 333,338,663.58/16,868.16
  6. Step 6: Final answer
    x = 19,761.41

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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.