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Finding the Fourth Proportional to 14,316.75, 19,757.13 and 8,029.13

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Solution

The fourth proportional to 14,316.75, 19,757.13 and 8,029.13 is: 11,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.75 : 19,757.13 = 8,029.13 : x
  2. Step 2: Convert to fraction form
    14,316.75/19,757.13 = 8,029.13/x
  3. Step 3: Cross multiply
    14,316.75x = 19,757.13 × 8,029.13
  4. Step 4: Simplify right side
    14,316.75x = 158,632,436.30
  5. Step 5: Solve for x
    x = 158,632,436.30/14,316.75
  6. Step 6: Final answer
    x = 11,080.20

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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.