Home / 14,179.03-19,567.12-7,891.41

Finding the Fourth Proportional to 14,179.03, 19,567.12 and 7,891.41

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Solution

The fourth proportional to 14,179.03, 19,567.12 and 7,891.41 is: 10,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.03 : 19,567.12 = 7,891.41 : x
  2. Step 2: Convert to fraction form
    14,179.03/19,567.12 = 7,891.41/x
  3. Step 3: Cross multiply
    14,179.03x = 19,567.12 × 7,891.41
  4. Step 4: Simplify right side
    14,179.03x = 154,412,029.15
  5. Step 5: Solve for x
    x = 154,412,029.15/14,179.03
  6. Step 6: Final answer
    x = 10,890.17

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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.