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Finding the Fourth Proportional to 14,394.10, 19,863.84 and 8,106.52

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Solution

The fourth proportional to 14,394.10, 19,863.84 and 8,106.52 is: 11,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.10 : 19,863.84 = 8,106.52 : x
  2. Step 2: Convert to fraction form
    14,394.10/19,863.84 = 8,106.52/x
  3. Step 3: Cross multiply
    14,394.10x = 19,863.84 × 8,106.52
  4. Step 4: Simplify right side
    14,394.10x = 161,026,616.24
  5. Step 5: Solve for x
    x = 161,026,616.24/14,394.10
  6. Step 6: Final answer
    x = 11,186.99

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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.