Home / 14,028.12-19,356.13-8,363.39

Finding the Fourth Proportional to 14,028.12, 19,356.13 and 8,363.39

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Solution

The fourth proportional to 14,028.12, 19,356.13 and 8,363.39 is: 11,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.12 : 19,356.13 = 8,363.39 : x
  2. Step 2: Convert to fraction form
    14,028.12/19,356.13 = 8,363.39/x
  3. Step 3: Cross multiply
    14,028.12x = 19,356.13 × 8,363.39
  4. Step 4: Simplify right side
    14,028.12x = 161,882,777.75
  5. Step 5: Solve for x
    x = 161,882,777.75/14,028.12
  6. Step 6: Final answer
    x = 11,539.88

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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.