Home / 14,018.97-21,022.30-5,247.73

Finding the Fourth Proportional to 14,018.97, 21,022.30 and 5,247.73

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Solution

The fourth proportional to 14,018.97, 21,022.30 and 5,247.73 is: 7,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.97 : 21,022.30 = 5,247.73 : x
  2. Step 2: Convert to fraction form
    14,018.97/21,022.30 = 5,247.73/x
  3. Step 3: Cross multiply
    14,018.97x = 21,022.30 × 5,247.73
  4. Step 4: Simplify right side
    14,018.97x = 110,319,342.89
  5. Step 5: Solve for x
    x = 110,319,342.89/14,018.97
  6. Step 6: Final answer
    x = 7,869.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.