Home / 14,179.64-19,568.67-7,892.15

Finding the Fourth Proportional to 14,179.64, 19,568.67 and 7,892.15

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Solution

The fourth proportional to 14,179.64, 19,568.67 and 7,892.15 is: 10,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.64 : 19,568.67 = 7,892.15 : x
  2. Step 2: Convert to fraction form
    14,179.64/19,568.67 = 7,892.15/x
  3. Step 3: Cross multiply
    14,179.64x = 19,568.67 × 7,892.15
  4. Step 4: Simplify right side
    14,179.64x = 154,438,878.94
  5. Step 5: Solve for x
    x = 154,438,878.94/14,179.64
  6. Step 6: Final answer
    x = 10,891.59

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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.