Home / 14,179.80-19,568.16-7,892.04

Finding the Fourth Proportional to 14,179.80, 19,568.16 and 7,892.04

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Solution

The fourth proportional to 14,179.80, 19,568.16 and 7,892.04 is: 10,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.80 : 19,568.16 = 7,892.04 : x
  2. Step 2: Convert to fraction form
    14,179.80/19,568.16 = 7,892.04/x
  3. Step 3: Cross multiply
    14,179.80x = 19,568.16 × 7,892.04
  4. Step 4: Simplify right side
    14,179.80x = 154,432,701.45
  5. Step 5: Solve for x
    x = 154,432,701.45/14,179.80
  6. Step 6: Final answer
    x = 10,891.04

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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.